Presentation is loading. Please wait.

Presentation is loading. Please wait.

Doc.: IEEE 802.11-10-0498-03-00ad Submission May 2010 Hiroshi Harada, NICTSlide 1 Complete Proposal for 802.11ad Date: 2010-05-01 Authors: NameCompanyAddressPhoneEmail.

Similar presentations


Presentation on theme: "Doc.: IEEE 802.11-10-0498-03-00ad Submission May 2010 Hiroshi Harada, NICTSlide 1 Complete Proposal for 802.11ad Date: 2010-05-01 Authors: NameCompanyAddressPhoneEmail."— Presentation transcript:

1 doc.: IEEE 802.11-10-0498-03-00ad Submission May 2010 Hiroshi Harada, NICTSlide 1 Complete Proposal for 802.11ad Date: 2010-05-01 Authors: NameCompanyAddressPhoneEmail Hiroshi Harada NICT 3-4, Hikarino-oka, Yokosuka, Japan +81-46-847-5074harada@nict.go.jp Chang-Woo Pyocwpyo@nict.go.jp Zhou Lanlan@nict.go.jp Junyi Wangjunyi.wang@nict.go.jp Ryuhei Funadafunada@nict.go.jp Tuncer Baykastbaykas@gmail.com Chin Sean Sumsum@nict.go.jp Akio IsoAkio.Iso@nict.go.jp Shuzo Katoshu.kato@nict.go.jp Masahiro Umehiraumehira@mx.ibaraki.ac.jp Lu Liru, Alina 20 Science Park Road, #01-09A/10, TeleTechPark, Singapore liru@nict.com.sg Zhang Xinzhangxin@nict.com.sg

2 doc.: IEEE 802.11-10-0498-03-00ad Submission May 2010 Hiroshi Harada, NICTSlide 2 NameCompanyAddressPhoneEmail Hirokazu Sawada Tohoku University 2-1-1 Katahira, Aoba- ku,. Sendai. 980-8577 Japan sawahiro@riec.tohoku.ac.jp Ichirou Ida Fujitsu Limited 211-8588,kawasaki, kanagawa, Japan Ida.ichirou@jp.fujitsu.com Kaoru Yokooyokoo@labs.fujitsu.com Nobuhiko ShibagakiHitachi 1-280, Higashikoigakubo Kokubunji, Tokyo, 185-8601 Japan Nobuhiko.shibagaki.qr@hitac hi.com Shoichi KitazawaATRkitazawa@atr.jp

3 doc.: IEEE 802.11-10-0498-03-00ad Submission Summary This document proposes the PHY and MAC layer design for 802.11ad operating in the 60GHz band PHY layer design –A hybrid PHY designed consisting of the SC PHY and the OFDM PHY is proposed –Channelization of the 60GHz band is presented –Data rate modes of respective PHYs are listed –Common mode signaling bridging across two PHYs is introduced –Frame format for respective PHYs are presented MAC layer design –Proposed MAC contains Basic MAC and Enhanced MAC –Basic MAC is based on 802.11-2007 and other amendments to support 802.11 user experience –Enhanced MAC is designed to achieve very high throughput (>1Gbps), directivity support, coexistence with other 60GHz systems and QoS improvement Beam forming May 2010 Hiroshi Harada, NICTSlide 3

4 doc.: IEEE 802.11-10-0498-03-00ad Submission Motivation of Proposal This proposal has the following purposes of –Enhancement of 802.11 PHY and MAC to fulfill the requirements of 802.11ad system –Co-existence of other already standardized 60GHz systems such as 802.15.3c WPAN May 2010 Hiroshi Harada, NICTSlide 4

5 doc.: IEEE 802.11-10-0498-03-00ad Submission Presentation Outline Section 1: PHY Proposal for 802.11ad –Overview of the Proposed 802.11ad PHY –Channelization –Modulation and Coding –Common Mode Signaling –SC PHY Frame Format –OFDM PHY Frame Format –PHY Simulation Results Section 2: MAC Proposal for 802.11ad –Overview of the proposed 802.11ad MAC –Enhanced MAC –Co-existence –MAC Simulation Results May 2010 Hiroshi Harada, NICTSlide 5

6 doc.: IEEE 802.11-10-0498-03-00ad Submission Section 1: PHY Proposal for 802.11ad 6 May 2010

7 doc.: IEEE 802.11-10-0498-03-00ad Submission Abbreviations FEC – forward error correction MCS – Modulation and Coding Scheme SC - Single carrier OFDM - Orthogonal Frequency Division Multiplexing CMS – Common Mode Signaling May 2010 Hiroshi Harada, NICTSlide 7

8 doc.: IEEE 802.11-10-0498-03-00ad Submission Presentation Outline (PHY Layer) Overview of the Proposed 802.11ad PHY Channelization Modulation and Coding Common Mode Signaling SC PHY Frame Format OFDM PHY Frame Format May 2010 Hiroshi Harada, NICTSlide 8

9 doc.: IEEE 802.11-10-0498-03-00ad Submission Overview of the Proposed 802.11ad PHY The proposed 802.11ad PHY consists any or the combination of the following: –SC PHY –OFDM PHY Features of the PHY modes: –The SC PHY mainly targets applications with low complexity –The OFDM PHY mainly targets applications that require higher data rates To reduce implementation burden, both PHYs are designed to have similarities in the aspects of frame construction To manage multi-PHY-mode management and mitigate interference, the CMS is specified to facilitate coexistence between the SC PHY and the OFDM PHY May 2010 Hiroshi Harada, NICTSlide 9

10 doc.: IEEE 802.11-10-0498-03-00ad Submission Channelization May 2010 Hiroshi Harada, NICTSlide 10

11 doc.: IEEE 802.11-10-0498-03-00ad Submission Overview on SC and OFDM Data Rates The SC and OFDM classes of data rates give flexibility to various potential applications requiring data rate support from several hundreds of Mbps to several Gbps The data rate classes are categorized as: –Class 1 – up to 1.6Gbps –Class 2 – up to 3 Gbps –Class 3 – up to 7 Gbps A Robust MCS called CMS is proposed to bridge between the SC and OFDM PHYs In OFDM PHY, three modes with different FFT sizes are proposed for flexibility. May 2010 Hiroshi Harada, NICTSlide 11

12 doc.: IEEE 802.11-10-0498-03-00ad Submission Timing Related Values for SC PHY May 2010 Hiroshi Harada, NICTSlide 12

13 doc.: IEEE 802.11-10-0498-03-00ad Submission MCSs for SC PHY May 2010 Hiroshi Harada, NICTSlide 13 *Mandatory MCSs

14 doc.: IEEE 802.11-10-0498-03-00ad Submission Timing Related Values for OFDM PHY MODE 1 May 2010 Hiroshi Harada, NICTSlide 14

15 doc.: IEEE 802.11-10-0498-03-00ad Submission Timing Related Values for OFDM PHY MODE 2 May 2010 Hiroshi Harada, NICTSlide 15

16 doc.: IEEE 802.11-10-0498-03-00ad Submission Timing Related Values for OFDM PHY MODE 3 May 2010 Hiroshi Harada, NICTSlide 16

17 doc.: IEEE 802.11-10-0498-03-00ad Submission MCS for OFDM PHY May 2010 Hiroshi Harada, NICTSlide 17 *FFT size: 512, 128, 64 Data rates are for FFT sizes 512 and 128. For 64, data rates are around 10% less.

18 doc.: IEEE 802.11-10-0498-03-00ad Submission MCS for Common Mode Signaling May 2010 Hiroshi Harada, NICTSlide 18 *Note that CMS is the first MCS in the SC PHY table

19 doc.: IEEE 802.11-10-0498-03-00ad Submission CMS Functional Description CMS is the most robust and long reaching MCS in the SC PHY and is specified to bridge between the SC PHY and OFDM PHY CMS is the mandatory MCS for all STAs CMS is employed in procedures facilitating multi-PHY- mode network management (i.e. discovery and synchronization) and other cross-PHY procedures May 2010 Hiroshi Harada, NICTSlide 19

20 doc.: IEEE 802.11-10-0498-03-00ad Submission Generic Frame Format The following slides show the components of the SC PHY and OFDM PHY frames –PLCP preamble –SIGNAL –DATA The modulation and coding schemes used in respective components are given The generic frame format for SC PHY and OFDM PHY are the same –PLCP preamble structure for SC PHY and OFDM PHY are the same –SIGNAL field structure for SC PHY and OFDM PHY are the same May 2010 Hiroshi Harada, NICTSlide 20

21 doc.: IEEE 802.11-10-0498-03-00ad Submission SC PHY Frame Format ~ General ~ May 2010 Hiroshi Harada, NICTSlide 21 PLCP Preamble SIGNALDATA Modulation /2 BPSK /2 BPSK, /2 QPSK, /2 8PSK, /2 16- QAM FECN/ARS(23,7) RS(255,239), LDPC(672,336), LDPC(672,504), LDPC(672,588) Spreading factor N/A64, 264, 4, 2, 1

22 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM PHY Frame Format ~ General ~ May 2010 Hiroshi Harada, NICTSlide 22 PLCP PreambleSIGNALDATA Modulation /2 BPSK QPSK-OFDM QPSK,-OFDM 16-QAM-OFDM, 64-QAM- OFDM FECN/ALDPC(672,336) LDPC(672,336), LDPC(672,504), LDPC(672,588) Spreading factor N/A11

23 doc.: IEEE 802.11-10-0498-03-00ad Submission SC and OFDM PHY Frame Format ~ PLCP Preamble for CMS ~ May 2010 Hiroshi Harada, NICTSlide 23 CMS Preamble

24 doc.: IEEE 802.11-10-0498-03-00ad Submission SC and OFDM PHY Frame Format ~ PLCP Preamble for SC PHY and OFDM PHY ~ May 2010 Hiroshi Harada, NICTSlide 24 SC Preamble OFDM Preamble

25 doc.: IEEE 802.11-10-0498-03-00ad Submission SC and OFDM PHY Frame Format ~ PLCP Preamble Golay Sequences ~ Golay Sequence NameSequence Values a 128 0536635005C963AFFAC99CAF05C963AF b 128 0A396C5F0AC66CA0F5C693A00AC66CA0 May 2010 Hiroshi Harada, NICTSlide 25 a 256 = [b 128 a 128 ] b 256 = [b 128 a 128 ]

26 doc.: IEEE 802.11-10-0498-03-00ad Submission PHY Frame Format ~ SIGNAL ~ May 2010 Hiroshi Harada, NICTSlide 26 PHY header (5 octets) contains –Scrambler ID (4 bits) Information on scrambling seed –Aggregation (1 bit) indicates whether aggregation is used –MCS (5 bits) indicates the modulation and coding information of DATA –Frame length (20 bits) Indicates the length of the frame –Pilot Word Length (2 bit) indicates the type of pilot word length in DATA, ignored in OFDM PHY –Reserved (8 bits) Scrambler IDAggregationMCSFrame Length Pilot Word Length Reserved

27 doc.: IEEE 802.11-10-0498-03-00ad Submission SC PHY PLCP SIGNAL Construction May 2010 Hiroshi Harada, NICTSlide 27

28 doc.: IEEE 802.11-10-0498-03-00ad Submission SC PHY DATA Construction May 2010 Hiroshi Harada, NICTSlide 28

29 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM PHY PLCP SIGNAL Construction May 2010 Hiroshi Harada, NICTSlide 29

30 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM PHY DATA Construction May 2010 Hiroshi Harada, NICTSlide 30

31 doc.: IEEE 802.11-10-0498-03-00ad Submission Results of PHY Simulation May 2010 Hiroshi Harada, NICTSlide 31

32 doc.: IEEE 802.11-10-0498-03-00ad Submission Simulation Parameters for Single Carrier PHY Evaluation May 2010 32 DescriptionValueUnit Symbol Rate1760Mchips/s SymbolDuration~0.568ns Sublock Length512chips Pilot Word length64chips Data symbols per subblock 448chips Subblock Duration~290.9ns Subblock rate~3.44MHz Hiroshi Harada, NICT

33 doc.: IEEE 802.11-10-0498-03-00ad Submission Simulation Channel Model AWGN channel model Fading channel model and scenarios –Living Room (LR) Omni to Omni LOS Omni to Direction NLOS Directional to Directional NLOS –Conference Room (CR) Omni to Omni LOS Omni to Direction NLOS Directional to Directional NLOS –Hardware impairments as described in evaluation documents are considered in the simulation May 2010 33Hiroshi Harada, NICT

34 doc.: IEEE 802.11-10-0498-03-00ad Submission SC PHY MCSs MCS ClassMCS Index Data RateModulationFECCoding Rate Data Spreading Factor PW=64PW=0 SC Class 1 0 *26 Mbpsp/2-BPSKRS (255,239)0.93764 1 361 Mbps 412Mbps4 2 722 Mbps 825Mbps2 3 * 1440Mbps 1650 Mbps1 4 1160 Mbps 1320 MbpsLDPC(672,504)0.751 5 385 Mbps 440 MbpsLDPC(672,336)0.52 6 770 Mbps 880 Mbps1 SC Class 2 7 1540 Mbps 1760 Mbpsp/2-QPSKLDPC(672,336)0.51 8 2310 Mbps 2640 MbpsLDPC(672,504)0.751 9 2700 Mbps 3080 MbpsLDPC(672,588)0.8751 10 2890 Mbps 3300 MbpsRS (255,239)0.9371 SC Class 3 11 3470 Mbps 3960 Mbpsp/2-8PSKLDPC(672,504)0.751 12 4620 Mbps 5280 Mbpsp/2-16QAM1 May 2010 34Hiroshi Harada, NICT

35 doc.: IEEE 802.11-10-0498-03-00ad Submission SC All MCSs AWGN PER May 2010 35Hiroshi Harada, NICT

36 doc.: IEEE 802.11-10-0498-03-00ad Submission Living Room Omni-Omni-LOS PA Backoff Power: MCS0: 0.5dB MCS1: 0.5dB MCS2: 0.5dB MCS3: 0.5dB MCS4: 0.5dB MCS5: 0.5dB MCS6: 0.5dB MCS7: 5dB MCS8: 5dB MCS9: 5dB MCS10: 6dB MCS11: 5dB MCS12: 5dB May 2010 36Hiroshi Harada, NICT

37 doc.: IEEE 802.11-10-0498-03-00ad Submission Conference Room Omni-Omni-LOS PA Backoff Power: MCS0: 0.5dB MCS1: 0.5dB MCS2: 0.5dB MCS3: 0.5dB MCS4: 0.5dB MCS5: 0.5dB MCS6: 0.5dB MCS7: 5dB MCS8: 5dB MCS9: 5dB MCS10: 6dB MCS11: 5dB MCS12: 5dB May 2010 37Hiroshi Harada, NICT

38 doc.: IEEE 802.11-10-0498-03-00ad Submission Living Room Omni-Directional-NLOS PA Backoff Power: MCS0: 0.5dB MCS1: 0.5dB MCS2: 0.5dB MCS3: 0.5dB MCS4: 0.5dB MCS5: 0.5dB MCS6: 0.5dB MCS7: 5dB MCS8: 5dB MCS9: 5dB MCS10: 6dB MCS11: 5dB MCS12: 5dB May 2010 38Hiroshi Harada, NICT

39 doc.: IEEE 802.11-10-0498-03-00ad Submission Conference Room Omni-Directional-NLOS PA Backoff Power: MCS0: 0.5dB MCS1: 0.5dB MCS2: 0.5dB MCS3: 0.5dB MCS4: 0.5dB MCS5: 0.5dB MCS6: 0.5dB MCS7: 5dB MCS8: 5dB MCS9: 5dB MCS10: 6dB MCS11: 5dB MCS12: 5dB May 2010 39Hiroshi Harada, NICT

40 doc.: IEEE 802.11-10-0498-03-00ad Submission Living Room Directional-Directional-NLOS PA Backoff Power: MCS0: 0.5dB MCS1: 0.5dB MCS2: 0.5dB MCS3: 0.5dB MCS4: 0.5dB MCS5: 0.5dB MCS6: 0.5dB MCS7: 5dB MCS8: 5dB MCS9: 5dB MCS10: 6dB MCS11: 5dB MCS12: 5dB May 2010 40Hiroshi Harada, NICT

41 doc.: IEEE 802.11-10-0498-03-00ad Submission Conference Room Directional-Directional- NLOS PA Backoff Power: MCS0: 0.5dB MCS1: 0.5dB MCS2: 0.5dB MCS3: 0.5dB MCS4: 0.5dB MCS5: 0.5dB MCS6: 0.5dB MCS7: 5dB MCS8: 5dB MCS9: 5dB MCS10: 6dB MCS11: 5dB MCS12: 5dB May 2010 41Hiroshi Harada, NICT

42 doc.: IEEE 802.11-10-0498-03-00ad Submission May 2010 42 DescriptionValueUnit Nominal Bandwidth2640MHz Number of Subcarriers512 Number of Data Subcarriers336 Number of Reserved Subcarriers16 Number of Pilot Subcarriers16 Number of NULL Subcarriers141 Number of DC Subcarriers3 Subcarrier Frequency Spacing5.15625MHz FFT period~193.94ns Guard Interval Duration~24.24ns OFDM Symbol Duration~218.18ns Packet Size6720Bytes Simulation Parameters for OFDM PHY Evaluation Hiroshi Harada, NICT

43 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM PHY MCSs MCS ClassData Rate ModulationFECCoding Rate Spreading OFDM Class 1 1540QPSKLDPC(672,336)0.51 OFDM Class 2 2310LDPC(672,504)0.751 2695LDPC(672,588)0.8751 OFDM Class 3 308016-QAMLDPC(672,336)0.51 4620LDPC(672,504)0.751 5390LDPC(672,588)0.8751 693064-QAMLDPC(672,504)0.751 May 2010 43Hiroshi Harada, NICT

44 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM on AWGN May 2010 44Hiroshi Harada, NICT

45 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM MCSs on Channel model #1- Living room, Omni Tx, Omni Rx, LOS May 2010 45Hiroshi Harada, NICT PA Backoff Power: QPSK(1/2): 10dB QPSK(3/4): 10dB QPSK(7/8): 10dB 16QAM(1/2): 14dB 16QAM(3/4) :14dB 16QAM(7/8): 14dB 64QAM(3/4): 14dB

46 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM MCSs on Channel model #2- Living room, Omni Tx, Directional Rx, NLOS May 2010 46Hiroshi Harada, NICT PA Backoff Power: QPSK(1/2): 10dB QPSK(3/4): 10dB QPSK(7/8): 10dB 16QAM(1/2): 14dB 16QAM(3/4) :14dB 16QAM(7/8): 14dB 64QAM(3/4): 14dB

47 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM MCSs on Channel model #3-Living room, Directional Tx, Directional Rx, NLOS May 2010 47Hiroshi Harada, NICT PA Backoff Power: QPSK(1/2): 10dB QPSK(3/4): 10dB QPSK(7/8): 10dB 16QAM(1/2): 14dB 16QAM(3/4) :14dB 16QAM(7/8): 14dB 64QAM(3/4): 14dB

48 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM MCSs on Channel model #4- Conference room, Omni Tx, Omni Rx, LOS May 2010 48Hiroshi Harada, NICT PA Backoff Power: QPSK(1/2): 10dB QPSK(3/4): 10dB QPSK(7/8): 10dB 16QAM(1/2): 14dB 16QAM(3/4) :14dB 16QAM(7/8): 14dB 64QAM(3/4): 14dB

49 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM MCSs on Channel model #5- Conference room, Omni Tx, Directional Rx, NLOS May 2010 49Hiroshi Harada, NICT PA Backoff Power: QPSK(1/2): 10dB QPSK(3/4): 10dB QPSK(7/8): 10dB 16QAM(1/2): 14dB 16QAM(3/4) :14dB 16QAM(7/8): 14dB 64QAM(3/4): 14dB

50 doc.: IEEE 802.11-10-0498-03-00ad Submission OFDM MCSs on Channel model #6- Conference room, Directional Tx, Directional Rx, NLOS May 2010 50Hiroshi Harada, NICT PA Backoff Power: QPSK(1/2): 10dB QPSK(3/4): 10dB QPSK(7/8): 10dB 16QAM(1/2): 14dB 16QAM(3/4) :14dB 16QAM(7/8): 14dB 64QAM(3/4): 14dB

51 doc.: IEEE 802.11-10-0498-03-00ad Submission FA/MD of Proposed SC SFD a: NICT SC SFD; b: NICT OFDM SFD c: 802.15.3c MR SFD; d: 802.15.3c HR SFD e: 802.15.3c CTAP SFD; f: 802.15.3c CAP SFD May 2010 51Hiroshi Harada, NICT

52 doc.: IEEE 802.11-10-0498-03-00ad Submission FA/MD of Proposed OFDM SFD a: NICT OFDM SFD; b: NICT SC SFD c: 802.15.3c MR SFD; d: 802.15.3c HR SFD e: 802.15.3c CTAP SFD; f: 802.15.3c CAP SFD May 2010 52Hiroshi Harada, NICT

53 doc.: IEEE 802.11-10-0498-03-00ad Submission Section 2: MAC Proposal for 802.11ad May 2010 Hiroshi Harada, NICTSlide 53

54 doc.: IEEE 802.11-10-0498-03-00ad Submission Presentation Outline (MAC Layer) Part1: Overview of the proposed 802.11ad MAC –Concept –Basic MAC –Enhanced MAC –High level MAC operations Part2: Enhanced MAC –Contention-free period (CFP) scheduling –Enhanced data transmission –Enhanced co-existence –Directivity support Part3: MAC Simulation Results –Point to point link –Home living room –Office conference room May 2010 Hiroshi Harada, NICTSlide 54

55 doc.: IEEE 802.11-10-0498-03-00ad Submission Part1: Overview of the proposed 802.11ad MAC 55 May 2010 Hiroshi Harada, NICT

56 doc.: IEEE 802.11-10-0498-03-00ad Submission Concept for Proposed 802.11ad MAC Proposed 802.11ad MAC contains Basic MAC to maintain 802.11 user experience, and Enhanced MAC to achieve very high throughput and to support directivity and co-existence 56 802.11ad MAC Basic MAC based on 802.11-2007 Enhanced MAC for Very High Throughput, Directivity and Co-existence + May 2010 Hiroshi Harada, NICT

57 doc.: IEEE 802.11-10-0498-03-00ad Submission Basic MAC All basic functionalities of 802.11ad MAC are based on 802.11-2007 and other available amendments to support 802.11 user experience Basic MAC functions –Scan –Association/Re-associaton/Disassociation –Authentication/Dis-authentication –Channel Accesses – DCF, PCF, HCF, HCCA –Other functions – synchronization, power management, security, etc. 57 May 2010 Hiroshi Harada, NICT

58 doc.: IEEE 802.11-10-0498-03-00ad Submission Enhanced MAC Enhanced MAC is designed to achieve very high throughput (>1Gbps), directivity support, coexistence with other 60GHz systems and QoS improvement Enhanced MAC functions 1.Very High Throughput Achievement Contention-Free Period (CFP) Scheduling Enhanced data transmission in CFP –Frame aggregation & Aggregation-ACK –Bi-directional aggregation with ACK 2.Directivity Support Directional association Beamforming 3.Co-existence Support Co-existence among homogeneous systems Co-existence among heterogeneous systems 58 May 2010 Hiroshi Harada, NICT

59 doc.: IEEE 802.11-10-0498-03-00ad Submission High-Level MAC Operations in 802.11ad 59Hiroshi Harada, NICT May 2010

60 doc.: IEEE 802.11-10-0498-03-00ad Submission Part2: Details of Enhanced MAC 60 May 2010 Hiroshi Harada, NICT

61 doc.: IEEE 802.11-10-0498-03-00ad Submission Contention-Free Period Scheduling Contention-Free Period (CFP) scheduling supports enhanced data transmission –Dynamically scheduled CFP guarantees the high throughput and delay requirements of 60GHz applications 61 (Example of contention-free period scheduling) B (Beacon) TS (Traffic Stream) CP (Contention Period) CFP(Contention Free Period) May 2010 Hiroshi Harada, NICT

62 doc.: IEEE 802.11-10-0498-03-00ad Submission Enhanced Data Transmission Enhanced data transmission in CFP includes beamforming support, frame aggregation/aggregation-ACK –Beamforing period in CFP guarantees the beamform procedure free from interference –Frame aggregation / Aggregation-ACK/ Bi-directional aggregation with is provided to meet QoS requirements of throughput and delay –On-demand aggregation is performed with negotiation between Src/Dest 62 (Example of data transmission during CFP) May 2010 Hiroshi Harada, NICT

63 doc.: IEEE 802.11-10-0498-03-00ad Submission Aggregation / Aggregation ACK / Bi-directional aggregation with ACK Proposed aggregation supports to aggregate video traffics (video aggregation MSDU, VA-MSDU) VA-MSDU frame body consists of –MAC subheader with HCS and aggregated MSDUs with Subframe FCS (SFCS) –MAC subheader contains Aggregated MSDUs information Aggregation ACK (A-ACK) bitmap VA-MSDU allows –maximum length of each MSDU (including SFCS) : 1Mbytes –maximum length of aggregated MSDUs : 16Mbytes –Bi-directional VA-MSDU by using both of aggregation and aggregation ACK bitmap 63 SFCS (Subframe FCS) May 2010

64 doc.: IEEE 802.11-10-0498-03-00ad Submission Negotiation for Aggregation –for capability confirmation –in CFP or CP –on-demand between Src and Dest –directly between AP and STAs –directly between STA and STA after Directed Link Setup (DLS) defined in 802.11-2007 64 Neg. DLS Neg. Case 1 : communication between AP and STAs Neg. Case 2 : communication between STA and STA Hiroshi Harada, NICT May 2010

65 doc.: IEEE 802.11-10-0498-03-00ad Submission Virtual Traffic Stream May 2010 Hiroshi Harada, NICTSlide 65 Virtual Traffic Stream (VTS) supports enhanced throughput by spatial reuse The Probing Stage determines the TSs that are able to coexist within the same time (low or no mutual interference), then schedule them to share the same time slot

66 doc.: IEEE 802.11-10-0498-03-00ad Submission Directivity Support Directivity support for 802.11ad system includes directional association and beamforming Directional association –Directional beacons (up to 4 beacons) and Directional contention periods (CPs) enable STAs to associate to AP directionally Beamforming –Beamforming protocol is based on 11/496r0 May 2010 Hiroshi Harada, NICTSlide 66 Q-beacon (Directional Quasi-omni beacon) GT (Guardtime)

67 doc.: IEEE 802.11-10-0498-03-00ad Submission Directional Association Example AP –broadcasts beacons to the supported directions –determines the directional beacon interval appropriately STAs –scan beacons on the supported directions –associate with AP on the directional CP 67 May 2010 Hiroshi Harada, NICT

68 doc.: IEEE 802.11-10-0498-03-00ad Submission Enhanced Co-existence (1/4) - Co-existence for homogeneous systems - Enhanced co-existence provides co-existence among homogeneous systems and among heterogeneous systems Co-existence for homogeneous systems provides QoS assurance during CFP –Avoid mutual interference by overlapping homogenous networks to data transmission during CFP 68 May 2010 Hiroshi Harada, NICT

69 doc.: IEEE 802.11-10-0498-03-00ad Submission Enhanced Co-existence (2/4) - Co-existence for homogeneous systems - Co-existence action frame (CAF) supports avoiding mutual interference by overlapping homogenous networks to data transmission during CFP –CAF includes schedule information of CFP –STAs periodically sends out CAFs for potentially incoming homogeneous networks –STAs scan CAFs before transmitting data during CFP May 2010 Hiroshi Harada, NICTSlide 69

70 doc.: IEEE 802.11-10-0498-03-00ad Submission Enhanced Co-existence (3/4) - Co-existence for heterogeneous systems - There are two 60GHz unlicensed wireless system specifications in the IEEE 802 (802.15.3c and 802.11ad) A mechanism is proposed to facilitate coexistence between 802.15.3c and 802.11ad while minimizing the additional complexity in implementation The co-existence mechanism is based on the document 10/0231r3 (John R. Barr May 2010 Hiroshi Harada, NICTSlide 70

71 doc.: IEEE 802.11-10-0498-03-00ad Submission Enhanced Co-existence (4/4) - Co-existence for heterogeneous systems - To detect other 60GHz systems operating in the same channels, the BSSs in the vicinity have a quiet period to create a clear channel The quiet periods scheduled by different BSSs partially align to prevent the signal from adjacent BSS interfering the detection of other systems. May 2010 Slide 71 BSS1 BSS3 BSS2 BBB BSS1 Quiet BBB BSS2 Quiet BBB BSS3 Quiet DS B Beacon Quiet Quiet period Quiet AP1 requests AP2 and AP3 to align their quiet periods for interference detection Hiroshi Harada, NICT

72 doc.: IEEE 802.11-10-0498-03-00ad Submission Part3: System Evaluation 72 May 2010 Hiroshi Harada, NICT

73 doc.: IEEE 802.11-10-0498-03-00ad Submission Abstract The PHY abstraction and antenna model for system simulation are provided Assumptions and simulation parameters are summarized for each scenario The following simulation are performed to show how the proposal meets the requirements –Point to point link simulation –Home living room simulation –Office conference room simulation 73 May 2010 Hiroshi Harada, NICT

74 doc.: IEEE 802.11-10-0498-03-00ad Submission PHY Abstraction and Antenna Model PHY abstraction –Simulation results in slides 35-52 are used for PHY abstract –The path loss model for all the scenarios defined in 0334/r7are implemented in MAC simulations –The human blockage model defined in 0334/r7 is implemented Antenna model –It is assumed in MAC simulation that beam forming procedure has been completed before data transmission –The peak gain directions of the sender STA and receiver STA are aligned before the data transmission is started Peak gain of the TX/RX antenna: 14dBi Coverage range: 60 degree 74 May 2010 Hiroshi Harada, NICT

75 doc.: IEEE 802.11-10-0498-03-00ad Submission Scheduling Algorithm Traffics are classified into two categories, isochronous and asynchronous traffic –Uncompress video and lightly compressed video are considered as isochronous traffic –Hard disk file transfer, local data transfer and web browsing are considered as asynchronous traffic Both isochronous traffic and asynchronous traffic use CFP for data transmission A TS is created for each traffic and corresponding time slots are allocated –For isochronous traffic The time slots are allocated in each BIs until the TS is terminated –For asynchronous traffic The time slots are released after the end of current BI New time slots in the following BIs need to be allocated if there is still data waiting in the queue for transmission EDCA is adopted to coordinate the TS allocations based on TS requests from different STAs 75 May 2010 Hiroshi Harada, NICT Access chategoriesTraffic AC_VIUncompressed video and lightly compressed video AC_BEHard disk file transfer and local file transfer AC_BKWeb browsing

76 doc.: IEEE 802.11-10-0498-03-00ad Submission Part3-1: Point to Point link Simulation Req 01 – at least 1Gbps at MAC SAP Req 02 – at least 1Gbps PHY rate Req 03 – 1Gbps at 10 meters 76 May 2010 Hiroshi Harada, NICT

77 doc.: IEEE 802.11-10-0498-03-00ad Submission Simulation Parameters 77 MCSs SC-MCS 82640MbpsPi/2QPSK/LDPC ACK policies No-ACKImmediate-ACKAggregation-ACK (A-ACK) MSDU length 8KB Aggregation Number of Subframes8 subframes Length of Subframe8KB, 128KB IFS MIFS0.5us SIFS2.5us Simulation Time 10 minutes CFP and CP timing CFP = 9msCP = 1ms Distance between Point and Point 10m May 2010 Hiroshi Harada, NICT

78 doc.: IEEE 802.11-10-0498-03-00ad Submission Simulation Results Goodput SC-MCS 8 (2640Mbps,QPSK/ LDPC (672, 504)) No-ACK1.94Gbps Imm-ACK1.41Gbps A-ACK (8KB)1.86Gbps A-ACK(128KB)1.99Gbps Simulation results show the functional requirements [Req01, Req02, Req03] in point-to-point link simulation are fulfilled –Req 01: at least 1Gbps at MAC SAP –Req 02: at least 1Gpbs PHY rate –Req 03: 1Gbps at 10 meters May 2010 Hiroshi Harada, NICT78 Average SNR of 14.28dB for 10m Point-to-Point link

79 doc.: IEEE 802.11-10-0498-03-00ad Submission Part3-2: Home Living Room Simulation Req 04 - Uncompressed Video of 3Gbps Req 05 - Packet Loss Rate 1e-8 Req 06 – Delay 10ms 79 May 2010 Hiroshi Harada, NICT

80 doc.: IEEE 802.11-10-0498-03-00ad Submission Simulation Parameters 80 MCSs SC-MCS 125280Mbps16QAM/LDPC Used ACK policies No-ACKImmediate-ACKAggregation-ACK (A-ACK) Aggregation Number of Subframes8 Length of Subframe8KB, 128KB, 1MB IFS MIFS0.5us SIFS2.5us Simulation Time 10 minutes Human blockage interval Human blockage appears every 1s CFP and CP timing CFP = 9.5msCP = 0.5ms Distance between AP and STA 2m May 2010 Hiroshi Harada, NICT

81 doc.: IEEE 802.11-10-0498-03-00ad Submission CFP Allocation for Data Transmission in Home Living Room 81 May 2010 Hiroshi Harada, NICT

82 doc.: IEEE 802.11-10-0498-03-00ad Submission Simulation Results Goodput (>1Gbps) Delay (<10ms) Packet Loss SC-MCS 12 (5280Mbps,1 6QAM/LDP C) No-ACK2.98Gbps7.0ms0% Imm-ACK2.52Gbps11.7ms15% A-ACK (8KB)2.98Gbps6.7ms0% A-ACK(128KB)2.98Gbps5.6ms0% A-ACK(1MB)2.98Gbps6.1ms0% May 2010 Hiroshi Harada, NICTSlide 82 MCS 12 with No-ACK and MCS 12 with Aggregation ACKs (A- ACKs) meet the requirements of goodput (>1Gbps), delay (<10ms) and packet loss rate (1e-8) in home living room Average SNR of 24.77dB for 2m AP-STA The results of goodput, delay and packet loss rate in home blockage are given in the backup slide (A)

83 doc.: IEEE 802.11-10-0498-03-00ad Submission Part3-2: Office Conference Room Simulation 83 May 2010 Hiroshi Harada, NICT

84 doc.: IEEE 802.11-10-0498-03-00ad Submission May 2010 Hiroshi Harada, NICTSlide 84 COMPRESSED_VIDEO 2 to 1 FTP( file transfer ) 9 to 2 3 to 5 4 to 9 5 to 3 7 to 8 9 to 7 HTTP 3 4 5 6

85 doc.: IEEE 802.11-10-0498-03-00ad Submission CFP Allocation for Data Transmission in Office Conference Room Number of traffics during CFP –1 Lightly Compressed Video traffic –6 FTP traffics –4 HTTP traffics 85 May 2010 Hiroshi Harada, NICT

86 doc.: IEEE 802.11-10-0498-03-00ad Submission Simulation Parameters 86 MCSs SC-MCS 31650MbpsBPSK/RS Used ACK policies No-ACKImmediate-ACKAggregation-ACK (A-ACK) Aggregation Number of Subframes8 Length of Subframe8KB, 128KB, 1MB IFS MIFS0.5us SIFS2.5us Simulation Time 10 minutes Human blockage interval - CFP and CP timing CFP = 9msCP = 1ms May 2010 Hiroshi Harada, NICT

87 doc.: IEEE 802.11-10-0498-03-00ad Submission Result for Office Conference Room This result shows the performance of FTP and HTTP traffic when the video traffic is satisfied the requirements of goodput (600Mbps) and delay (<10ms) on SC-MCS3 87 GoodputDelay (10ms) Packet Loss TS allocation SC-MCS 3 (1650Mbps, BPSK/RS) Video traffic No-ACK0.6Gbps2.7ms0%4.4ms Imm-ACK0.6Gbps2.5ms0%5.1ms A-ACK (8KB)0.6Gbps2.8ms0%4.2ms FTP traffic No-ACK23.4Mbps10ms0%2.6ms Imm-ACK25.5Mbps9.9ms0%4.7ms A-ACK (8KB)24.4Mbps10ms0%2.2ms HTTP traffic No-ACK0.637Mbps10.1ms0%0.04ms Imm-ACK0.624Mbps11.9ms0%0.1ms A-ACK (8KB)0.638Mbps10.3ms0%0.07ms May 2010 Hiroshi Harada, NICT Addition simulation results are shown in the backup slide (B)

88 doc.: IEEE 802.11-10-0498-03-00ad Submission Part4: PAR, FRD and EVM declaration 88 May 2010 Hiroshi Harada, NICT

89 doc.: IEEE 802.11-10-0498-03-00ad Submission PAR and FRD declaration 89 May 2010 Hiroshi Harada, NICT IDSubclasue of FRD RequirementDeclaration FRD.12.1.1 Maximum throughput [Req01]Slide 78 show simulation results that the complete proposal achieves a maximum throughput of at least 1 Gbps, as measured at the MAC SAP. [Req02]Slide 13 show that MCS 3 shall be mandatory for all the devices. MCS 3 provides a PHY rate of 1.650 Gbps. The PHY performance are shown in slides 35-52. FRD.22.1.2 Range[Req03]Slide 78 show simulation results that the complete proposal achieves a range of at least 10 m at 1 Gbps, as measured at the MAC SAP, in a NLOS channel. FRD.32.1.3 Video requirements [Req04] Slide 82 show simulation results for uncompressed video where the required application data rate of 3 Gbps is achieved at the MAC SAP by the complete proposal. [Req05]Slide 82 show simulation results for uncompressed video where the packet loss rate is below 1e-8 for a 8Kbyte payload size. [Req06]Slide 82 show simulation results for uncompressed video where the delay is below 10ms.

90 doc.: IEEE 802.11-10-0498-03-00ad Submission PAR and FRD declaration (cont.) 90 May 2010 Hiroshi Harada, NICT IDSubclasue of FRD RequirementDeclaration FRD.42.2 Fast session transfer [Req07]10/499r1 describes multi-band operation FRD.52.3 Coexistence[Req08]Slides 68-70 describe the mechanisms to enable coexistence with other systems in the band, including 802.15.3c. FRD.62.4 802.11 user experience [Req09] Slide 56 of the complete proposal describes that the network architecture of 802.11 is fully maintained. [Req10] Slide 56 of the complete proposal describe that the proposal is fully backward compatible with the 802.11 management plane. The MLME is fully reused. FRD.7[Req11]The PICS is defined in Annex A of the complete proposal.

91 doc.: IEEE 802.11-10-0498-03-00ad Submission EVM Declaration 91 May 2010 Hiroshi Harada, NICT IDSubclasue of EVMDeclaration EVM.12.1 Point-to-point link simulationsSlides 76-78 EVM.22.2 Link budget parameters for FR Section 2.1.2 (range requirement – Req03) Slides 76-78 EVM.32.3 Coexistence for FR Section 2.3Slides 68-70 EVM.43 PHY PerformanceSlides 31-52 EVM.54 System evaluationSlides 72-78

92 doc.: IEEE 802.11-10-0498-03-00ad Submission Conclusion This document proposes the PHY and MAC layer design for 802.11ad operating in the 60GHz band PHY layer design –A hybrid PHY designed consisting of the SC PHY and the OFDM PHY is proposed –Channelization of the 60GHz band is presented –Data rate modes of respective PHYs are listed –Common Mode Signaling bridging across two PHYs is introduced –Frame format for respective PHYs are presented MAC layer design –Proposed MAC contains Basic MAC and Enhanced MAC –Basic MAC is based on 802.11-2007 and other amendments to support 802.11 user experience –Enhanced MAC is designed to achieve very high throughput (>1Gbps), directivity support, coexistence with other 60GHz systems and QoS improvement PAR, FRD and EVM declaration is provided May 2010 Hiroshi Harada, NICTSlide 92

93 doc.: IEEE 802.11-10-0498-03-00ad Submission Backup (A) : Home Living Room (with human blockage) May 2010 Hiroshi Harada, NICTSlide 93 Goodput (>1Gbps)Delay (10ms)Packet Loss SC-MCS 12 (5280Mbps,16 QAM/LDPC) No-ACK2.35Gbps7.0ms20% Imm-ACK1.92Gbps15.8ms35% A-ACK (8KB)2.35Gbps12.6ms20% A-ACK(128KB)2.36Gbps12.1ms20% A-ACK(1MB)2.35Gbps12.2ms20% SNR taking into account human blockage that appears every 1s

94 doc.: IEEE 802.11-10-0498-03-00ad Submission Backup (B) : Office Conference Room (1/2) Goodput, Delay and Packet Loss per Link Goodput [Mbps]MSDU Delay [msec]Packet Loss Ratio [%] SC-MCS 3 (1650Mbps, BPSK/RS) BLOCK_ACK(8K)0 FTP AP->STA225.68108210.3520 FTP AP->STA725.67936810.3470 FTP STA3->STA522.42217710.1030 FTP STA4->AP25.68023410.3560 FTP STA5->STA321.61278410.180 FTP STA7->STA825.6810789.6080 HTTP STA3->AP362.27110.5550 HTTP STA4->AP534.83910.7070 HTTP STA5->AP1541.679.9060 HTTP STA6->AP113.74710.230 VIDEO STA2->STA1600.8227842.8568840 IMM_ACK FTP AP->STA225.6777469.8870 FTP AP->STA725.6777379.8780 FTP STA3->STA525.33025610.1930 FTP STA4->AP25.675199.8780 FTP STA5->STA325.33366810.1740 FTP STA7->STA825.6794479.910 HTTP STA3->AP356.44511.7750 HTTP STA4->AP524.31113.8790 HTTP STA5->AP1504.71112.0960 HTTP STA6->AP112.50910.1930 VIDEO STA2->STA1600.8225332.5094670 NO_ACK FTP AP->STA225.68109810.2360 FTP AP->STA725.67938510.2420 FTP STA3->STA519.0599710.0570 FTP STA4->AP25.68024610.2410 FTP STA5->STA318.7389459.9250 FTP STA7->STA825.6810949.6960 HTTP STA3->AP363.1379.9140 HTTP STA4->AP532.07810.3850 HTTP STA5->AP1539.90510.2970 HTTP STA6->AP113.5910.0680 VIDEO STA2->STA1600.822742.7711260 May 2010 Hiroshi Harada, NICTSlide 94

95 doc.: IEEE 802.11-10-0498-03-00ad Submission Backup (B) : Office Conference Room (2/2) Goodput, Delay and Packet Loss in Human Blockage Human blockage occurs every 1s May 2010 Hiroshi Harada, NICTSlide 95 GoodputDelay (10ms)Packet Loss SC-MCS 3 (1650Mbps, BPSK/RS) Video traffic No-ACK0.6Gbps2.7ms0% Imm-ACK0.6Gbps2.5ms0% A-ACK (8KB)0.6Gbps2.8ms0% FTP traffic No-ACK18.2Mbps10.1ms0% Imm-ACK20.4Mbps10.2ms0% A-ACK (8KB)19.1Mbps10.4ms0% HTTP traffic No-ACK0.768Mbps10.1ms0% Imm-ACK0.753Mbps11.9ms0% A-ACK (8KB)0.770Mbps10.1ms0%

96 doc.: IEEE 802.11-10-0498-03-00ad Submission Reference 1.Function requirements: 11-09-0228-05-00ad-functional-requirements 2.Channel model document: 11-09-0334-07-00ad-channel-models-for- 60-ghz-wlan-systems 3.Evaluation methodology: 11-09-0296-16-00ad-evaluation- methodology May 2010 Hiroshi Harada, NICTSlide 96

97 doc.: IEEE 802.11-10-0498-03-00ad Submission Strawpoll Do you support adopting the whole or part of the complete proposal in 10/0498r0 as the material to create the first draft of the TGad amendment? –Yes, No, Abstain 97 May 2010


Download ppt "Doc.: IEEE 802.11-10-0498-03-00ad Submission May 2010 Hiroshi Harada, NICTSlide 1 Complete Proposal for 802.11ad Date: 2010-05-01 Authors: NameCompanyAddressPhoneEmail."

Similar presentations


Ads by Google