Complete Proposal for ad

Complete Proposal for 802.11ad
Month Year doc.: IEEE yy/xxxxr0 May 2010 Complete Proposal for ad Date: Authors: Name Company Address Phone Hiroshi Harada NICT 3-4, Hikarino-oka, Yokosuka, Japan Chang-Woo Pyo Zhou Lan Junyi Wang Ryuhei Funada Tuncer Baykas Chin Sean Sum Akio Iso Shuzo Kato Lu Liru, Alina 20 Science Park Road, #01-09A/10, TeleTechPark, Singapore Zhang Xin Hiroshi Harada, NICT John Doe, Some Company

May 2010 Name Company Address Phone Email Hirokazu Sawada
Tohoku University 2-1-1 Katahira, Aoba-ku,. Sendai Japan Ichirou Ida Fujitsu Limited ,kawasaki, kanagawa, Japan Kaoru Yokoo Toshinari Shibazaki Hitachi Shoichi Kitazawa ATR Hiroshi Harada, NICT

May 2010 Summary This document proposes the PHY and MAC layer design for ad 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 supporting for user experience Enhanced MAC purposes to achieve very high throughput (>1Gbps), support directivity, and coexist with other 60GHz systems and for QoS improvement Beamforming Hiroshi Harada, NICT

Motivation of Proposal
May 2010 Motivation of Proposal This proposal has the following purposes of Enhancement of PHY and MAC to fulfill the requirements of ad system Co-existence of other already standardized 60GHz systems such as c WPAN Hiroshi Harada, NICT

Presentation Outline Section 1: PHY Proposal for 802.11ad
May 2010 Presentation Outline Section 1: PHY Proposal for ad Overview of the Proposed ad PHY Channelization Modulation and Coding Common Mode Signaling SC PHY Frame Format OFDM PHY Frame Format PHY Simulation Results Section 2: MAC Proposal for ad Overview of the proposed ad MAC Enhanced MAC Co-existence MAC Simulation Results Hiroshi Harada, NICT

Section 1: PHY Proposal for 802.11ad
May 2010 Section 1: PHY Proposal for ad

Abbreviations FEC – forward error correction
May 2010 Abbreviations FEC – forward error correction MCS – Modulation and Coding Scheme SC - Single carrier OFDM - Orthogonal Frequency Division Multiplexing CMS – Common Mode Signaling Hiroshi Harada, NICT

Presentation Outline (PHY Layer)
May 2010 Presentation Outline (PHY Layer) Overview of the Proposed ad PHY Channelization Modulation and Coding Common Mode Signaling SC PHY Frame Format OFDM PHY Frame Format Hiroshi Harada, NICT

Overview of the Proposed 802.11ad PHY
May 2010 Overview of the Proposed ad PHY The proposed ad 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 Hiroshi Harada, NICT

May 2010 Channelization Channel Number Lower Freq. (GHz) Center Freq. Upper Freq. Nyquist BW (MHz) Channel Spacing (MHz) 1 57.240 58.320 59.400 1760 2160 2 60.480 61.560 3 62.640 63.720 4 64.800 65.880 Hiroshi Harada, NICT

Overview on SC and OFDM Data Rates
May 2010 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. Hiroshi Harada, NICT

Timing Related Values for SC PHY
May 2010 Timing Related Values for SC PHY Description Value Unit Symbol Rate 1760 Mchips/s Symbol Duration ~0.568 ns Subblock Length 512 chips Pilot Word length 64 Pilot Word Duration ~37 Data symbols per subblock 448 Subblock Duration ~290.9 Subblock rate ~3.44 MHz Hiroshi Harada, NICT

MCSs for SC PHY May 2010 *Mandatory MCSs MCS Class MCS Index Data Rate
Modulation FEC Coding Rate Data Spreading Factor PW=64 PW=0 SC Class 1 0 * 26 Mbps p/2-BPSK RS (255,239) 0.937 64 1 361 Mbps 412Mbps 4 2 722 Mbps 825Mbps 3 * Mbps 1650 Mbps 1160 Mbps 1320 Mbps LDPC(672,504) 0.75 5 385 Mbps 440 Mbps LDPC(672,336) 0.5 6 880 Mbps SC Class 2 7 1760 Mbps p/2-QPSK 8 2640 Mbps 9 2700 Mbps 3080 Mbps LDPC(672,588) 0.875 10 3300 Mbps SC Class 3 11 3470 Mbps 3960 Mbps p/2-8PSK 12 4620 Mbps 5280 Mbps p/2-16QAM *Mandatory MCSs Hiroshi Harada, NICT

Timing Related Values for OFDM PHY MODE 1
May 2010 Timing Related Values for OFDM PHY MODE 1 Description Value Unit Nominal Bandwidth 2640 MHz Number of Subcarriers 512 Number of Data Subcarriers 336 Number of Reserved Subcarriers 16 Number of Pilot Subcarriers Number of NULL Subcarriers 141 Number of DC Subcarriers 3 Subcarrier Frequency Spacing Nominal used bandwidth 1815 FFT period ~193.94 ns Guard Interval Duration ~24.24 OFDM Symbol Duration ~218.18 Hiroshi Harada, NICT

May 2010 Timing Related Values for OFDM PHY MODE 2 Description Value Unit Nominal Bandwidth 2640 MHz Number of Subcarriers 128 Number of Data Subcarriers 84 Number of Pilot Subcarriers 4 Number of NULL Subcarriers 35 Number of DC Subcarriers 1 Subcarrier Frequency Spacing 20.625 Nominal used bandwidth 1815 FFT period ~48.485 ns Guard Interval Duration ~6.06 OFDM Symbol Duration ~54.545 Hiroshi Harada, NICT

May 2010 Timing Related Values for OFDM PHY MODE 3 Description Value Unit Nominal Bandwidth 2640 MHz Number of Subcarriers 64 Number of Data Subcarriers 42 Number of Pilot Subcarriers 2 Number of NULL Subcarriers 19 Number of DC Subcarriers 1 Subcarrier Frequency Spacing 41.25 Nominal used bandwidth 1815 FFT period ~24.242 ns Guard Interval Duration ~6.06 OFDM Symbol Duration ~30.3 Hiroshi Harada, NICT

MCS for OFDM PHY May 2010 MCS Class Data Rate Modulation FEC
Coding Rate Spreading OFDM Class 1 1540 QPSK LDPC(672,336) 0.5 1 OFDM Class 2 2310 LDPC(672,504) 0.75 2695 LDPC(672,588) 0.875 OFDM Class 3 3080 16-QAM 4620 5390 6930 64-QAM *FFT size: 512, 128, 64 Data rates are for FFT sizes 512 and 128. For 64, data rates are around 10% less. Hiroshi Harada, NICT

MCS for Common Mode Signaling
May 2010 MCS for Common Mode Signaling MCS Index Data Rate PW=0 Modulation FEC Coding Rate Data Spreading Factor 26 p/2-BPSK RS (255,239) 0.937 64 *Note that CMS is the first MCS in the SC PHY table Hiroshi Harada, NICT

CMS Functional Description
May 2010 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 Hiroshi Harada, NICT

May 2010 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 Hiroshi Harada, NICT

SC PHY Frame Format ~ General ~
May 2010 SC PHY Frame Format ~ General ~ PLCP Preamble SIGNAL DATA Modulation p/2 BPSK p/2 BPSK, p/2 QPSK, p/2 8PSK, p/2 16-QAM FEC N/A RS(23,7) RS(255,239), LDPC(672,336), LDPC(672,504), LDPC(672,588) Spreading factor 64, 2 64, 4, 2, 1 Hiroshi Harada, NICT

OFDM PHY Frame Format ~ General ~
May 2010 OFDM PHY Frame Format ~ General ~ PLCP Preamble SIGNAL DATA Modulation p/2 BPSK QPSK-OFDM QPSK,-OFDM 16-QAM-OFDM, 64-QAM-OFDM FEC N/A LDPC(672,336) LDPC(672,336), LDPC(672,504), LDPC(672,588) Spreading factor 1 Hiroshi Harada, NICT

SC and OFDM PHY Frame Format ~ PLCP Preamble for CMS ~
May 2010 SC and OFDM PHY Frame Format ~ PLCP Preamble for CMS ~ CMS Preamble Hiroshi Harada, NICT

SC and OFDM PHY Frame Format ~ PLCP Preamble for SC PHY and OFDM PHY ~
May 2010 SC and OFDM PHY Frame Format ~ PLCP Preamble for SC PHY and OFDM PHY ~ SC Preamble OFDM Preamble Hiroshi Harada, NICT

SC and OFDM PHY Frame Format ~ PLCP Preamble Golay Sequences ~
May 2010 SC and OFDM PHY Frame Format ~ PLCP Preamble Golay Sequences ~ Golay Sequence Name Sequence Values a128 C963AFFAC99CAF05C963AF b128 0A396C5F0AC66CA0F5C693A00AC66CA0 a256 = [b128 a128 ] b256 = [b128 a128 ] Hiroshi Harada, NICT

PHY Frame Format ~ SIGNAL ~
May 2010 PHY Frame Format ~ SIGNAL ~ Scrambler ID Aggregation MCS Frame Length Pilot Word Length Reserved 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) Hiroshi Harada, NICT

Results of PHY Simulation
May 2010 Results of PHY Simulation Hiroshi Harada, NICT

Simulation Parameters for Single Carrier PHY Evaluation
May 2010 Simulation Parameters for Single Carrier PHY Evaluation Description Value Unit Symbol Rate 1760 Mchips/s SymbolDuration ~0.568 ns Sublock Length 512 chips Pilot Word length 64 Data symbols per subblock 448 Subblock Duration ~290.9 Subblock rate ~3.44 MHz Hiroshi Harada, NICT

Simulation Channel Model
May 2010 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) Hardware impairments are considered in the simulation. PA/PN model with 0.5dB back-off as defined in Evaluation document Hiroshi Harada, NICT

PER performance of SC MCSs (AWGN)
May 2010 PER performance of SC MCSs (AWGN) -2 2 4 6 8 10 12 14 16 -3 -1 CNR(dB) PER SC MCS AWGN PER RS-BPSK PER RS-QPSK PER 1/2 LDPC-BPSK PER 3/4 LDPC-BPSK PER 1/2 LDPC-QPSK PER 3/4 LDPC-QPSK PER 7/8 LDPC-QPSK PER 3/4 LDPC-8PSK PER 3/4 LDPC-16QAM PER Hiroshi Harada, NICT

PER performance under CR/LR Omni-Omni LOS Environment
May 2010 PER performance under CR/LR Omni-Omni LOS Environment CNR(dB) Hiroshi Harada, NICT

PER performance under LR/CR Omni-Directional NLOS Environment
May 2010 PER performance under LR/CR Omni-Directional NLOS Environment CNR(dB) Hiroshi Harada, NICT

PER performance under LR/CR Directional-Directional NLOS Environment
May 2010 PER performance under LR/CR Directional-Directional NLOS Environment CNR(dB) Hiroshi Harada, NICT

Simulation Parameters for OFDM PHY Evaluation
May 2010 Simulation Parameters for OFDM PHY Evaluation Description Value Unit Nominal Bandwidth 2640 MHz Number of Subcarriers 512 Number of Data Subcarriers 336 Number of Reserved Subcarriers 16 Number of Pilot Subcarriers Number of NULL Subcarriers 141 Number of DC Subcarriers 3 Subcarrier Frequency Spacing FFT period ~193.94 ns Guard Interval Duration ~24.24 OFDM Symbol Duration ~218.18 Packet Size 6720 Bytes Hiroshi Harada, NICT

Section 2: MAC Proposal for 802.11ad
May 2010 Section 2: MAC Proposal for ad Hiroshi Harada, NICT

Presentation Outline (MAC Layer)
May 2010 Presentation Outline (MAC Layer) Part1: Overview of the proposed ad 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 Goodput Delay Packet Loss Hiroshi Harada, NICT

Part1: Overview of the proposed 802.11ad MAC
May 2010 Part1: Overview of the proposed ad MAC Hiroshi Harada, NICT

Concept for Proposed 802.11ad MAC
May 2010 Concept for Proposed ad MAC Proposed ad MAC contains Basic MAC to maintain user experience, and Enhanced MAC to achieve very high throughput and to support directivity and co-existence 802.11ad MAC Basic MAC based on Enhanced MAC for Very High Throughput, Directivity and Co-existence + Hiroshi Harada, NICT

May 2010 Basic MAC All basic functionalities of ad MAC are based on supporting for 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. Hiroshi Harada, NICT

May 2010 Enhanced MAC Enhanced MAC purposes to achieve very high throughput (>1Gbps), support directivity, and coexist with other 60GHz systems and for QoS improvement Enhanced MAC functions Very High Throughput Achievement Contention-Free Period (CFP) Scheduling Enhanced data transmission in CFP Frame aggregation & Aggregation-ACK Bi-directional aggregation with ACK Directivity Support Directional association Beamforming Co-existence Support Co-existence among homogeneous systems Co-existence among heterogeneous systems Hiroshi Harada, NICT

High-Level MAC Operations in 802.11ad
May 2010 High-Level MAC Operations in ad Hiroshi Harada, NICT

Part2: Details of Enhanced MAC
May 2010 Part2: Details of Enhanced MAC Hiroshi Harada, NICT

Contention-Free Period Scheduling
May 2010 Contention-Free Period Scheduling Contention-Free Period (CFP) scheduling supports enhanced data transmission Dynamically scheduled CFP can guarantee the high throughput and delay requirements of data transmission B (Beacon) TS (Traffic Stream) CP (Contention Period) CFP(Contention Free Period) (Example of contention-free period scheduling) Hiroshi Harada, NICT

Enhanced Data Transmission
May 2010 Enhanced Data Transmission Enhanced data transmission in CFP includes beamforming support, frame aggregation/aggregation-ACK, and bi-directional aggregation with ACK Beamforing period in CFP enables to beamform without interference between Src/Dest Frame aggregation / Aggregation-ACK/ Bi-directional aggregation with ACK guarantees QoS requirements of throughput and delay Aggregation are performed by on-demand and negotiation between Src/Dest (Example of data transmission during CFP) Hiroshi Harada, NICT

Aggregation / Aggregation ACK / Bi-directional aggregation with ACK
May 2010 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 SFCS (Subframe FCS)

Negotiation for Aggregation
May 2010 Negotiation for Aggregation Negotiation for Aggregation are performed for capability confirmation can be operated in CFP or CP are performed on-demand between Src and Dest are performed directly between AP and STAs are performed directly between STA and STA after Directed Link Setup (DLS) defined in Neg. DLS Neg. Neg. Case 1 : communication between AP and STAs Neg. Case 2 : communication between STA and STA Hiroshi Harada, NICT

Virtual Traffic Stream
May 2010 Virtual Traffic Stream Virtual Traffic Stream (VTS) support enhanced throughput by reusing space 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 Hiroshi Harada, NICT

May 2010 Directivity Support Directivity support for ad 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 Q-beacon (Directional Quasi-omni beacon) GT (Guardtime) Hiroshi Harada, NICT

Directional Association Example
May 2010 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 Hiroshi Harada, NICT

Enhanced Co-existence (1/4) - Co-existence for homogeneous systems -
May 2010 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 Hiroshi Harada, NICT

Enhanced Co-existence (2/4) - Co-existence for homogeneous systems -
May 2010 Enhanced Co-existence (2/4) - Co-existence for homogeneous systems - Co-existence action frame (CAF) supports to avoid 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 Hiroshi Harada, NICT

Enhanced Co-existence (3/4) - Co-existence for heterogeneous systems -
May 2010 Enhanced Co-existence (3/4) - Co-existence for heterogeneous systems - There are two 60GHz unlicensed wireless system specifications in the IEEE 802 ( c and ad) A mechanism is proposed to facilitate coexistence between c and ad while minimizing the additional complexity in implementation The co-existence mechanism is based on the document 10/0231r3 (John R. Barr) and 10/0485r0(Chin-Sean Sum ) Hiroshi Harada, NICT

Enhanced Co-existence (4/4) - Co-existence for heterogeneous systems -
April 2009 doc.: IEEE /xxxxr0 May 2010 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 avoid the detection of other systems from being interfered by the signal from adjacent BSS. B B B BSS1 Quiet Quiet Quiet B B B BSS2 Quiet Quiet Quiet B B B BSS3 Quiet Quiet Quiet B AP1 requests AP2 and AP3 to align their quiet periods for interference detection Beacon BSS3 Quiet Quiet period BSS1 BSS2 DS Hiroshi Harada, NICT Rich Kennedy, Research In Motion

Part3: System Evaluation
May 2010 Part3: System Evaluation Hiroshi Harada, NICT

May 2010 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 Hiroshi Harada, NICT

PHY Abstraction and Antenna Model
May 2010 PHY Abstraction and Antenna Model PHY abstraction Simulation results in slides 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 3dB bandwidth of the TX/RX antenna: 60 degree Hiroshi Harada, NICT

May 2010 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 TSs 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 the data transfer is not completed yet EDCA is adopted to coordinate the TS allocations based on TS requests from different STAs Access chategories Traffic AC_VI Uncompressed video and lightly compressed video AC_BE Hard disk file transfer and local file transfer AC_BK Web browsing Hiroshi Harada, NICT

Part3-1: Point to Point link Simulation
May 2010 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 Hiroshi Harada, NICT

Simulation Parameters
May 2010 Simulation Parameters MCSs SC-MCS 8 2640Mbps Pi/2QPSK/LDPC ACK policies No-ACK Immediate-ACK Aggregation-ACK (A-ACK) MSDU length 8KB Aggregation Number of Subframes 8 subframes Length of Subframe 8KB, 128KB IFS MIFS 0.5us SIFS 2.5us Simulation Time 10 minutes CFP and CP timing CFP = 9ms CP = 1ms Distance between Point and Point 10m Hiroshi Harada, NICT

May 2010 Simulation Results 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 Goodput SC-MCS 8 (2640Mbps,QPSK/LDPC (672, 504)) No-ACK 1.94Gbps Imm-ACK 1.41Gbps A-ACK (8KB) 1.86Gbps A-ACK(128KB) 1.99Gbps Average SNR of 14.28dB for 10m Point-to-Point link Hiroshi Harada, NICT

Part3-2: Home Living Room Simulation
May 2010 Part3-2: Home Living Room Simulation Req 04 - Uncompressed Video of 3Gbps Req 05 - Packet Loss Rate 1e-8 Req 06 – Delay 10ms Hiroshi Harada, NICT

May 2010 Simulation Parameters MCSs SC-MCS 12 5280Mbps 16QAM/LDPC Used ACK policies No-ACK Immediate-ACK Aggregation-ACK (A-ACK) Aggregation Number of Subframes 8 Length of Subframe 8KB, 128KB, 1MB IFS MIFS 0.5us SIFS 2.5us Simulation Time 10 minutes Human blockage interval Human blockage appears every 1s CFP and CP timing CFP = 9ms CP = 1ms Distance between AP and STA 2m Hiroshi Harada, NICT

CFP Allocation for Data Transmission in Home Living Room
May 2010 CFP Allocation for Data Transmission in Home Living Room Hiroshi Harada, NICT

May 2010 Simulation Results MCS 12 with No-ACK and MCS 12 with Aggregation ACKs (A-ACKs) can clear the requirements of goodput (>1Gbps), delay (<10ms) and packet loss rate (1e-8) in home living room Goodput (>1Gbps) Delay (10ms) Packet Loss SC-MCS 12 (5280Mbps,16QAM/LDPC) No-ACK 2.98Gbps 7.0ms 0% Imm-ACK 2.47Gbps 11.7ms 17% A-ACK (8KB) 6.2ms A-ACK(128KB) 5.6ms Hiroshi Harada, NICT

Part3-2: Office Conference Room Simulation
May 2010 Part3-2: Office Conference Room Simulation Hiroshi Harada, NICT

May 2010 ・2 to 1 ・9 to 2 ・3 to 5 ・4 to 9 ・5 to 3 ・7 to 8 ・9 to 7 ・3 ・4
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 Hiroshi Harada, NICT

CFP Allocation for Data Transmission in Office Conference Room
May 2010 CFP Allocation for Data Transmission in Office Conference Room Number of traffics during CFP 1 Lightly Compressed Video traffic 7 FTP traffics 4 HTTP traffics Hiroshi Harada, NICT

May 2010 Simulation Parameters MCSs SC-MCS 3 1650Mbps BPSK/RS SC-MCS 12 5280Mbps 16QAM/LDPC Used ACK policies No-ACK Immediate-ACK Aggregation-ACK (A-ACK) Aggregation Number of Subframes 8 Length of Subframe 8KB, 128KB, 1MB IFS MIFS 0.5us SIFS 2.5us Simulation Time 10 minutes Human blockage interval - CFP and CP timing CFP = 9ms CP = 1ms Hiroshi Harada, NICT

Result for Office Conference Room
May 2010 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 Goodput Delay (10ms) Packet Loss SC-MCS 3 (1650Mbps, BPSK/RS) Video traffic No-ACK 0.6Gbps 1.43ms 0% Imm-ACK 1.26ms A-ACK (8KB) 1.48ms FTP traffic 51.3Mbps - 12.2Mbps HTTP traffic 0.878Mbps 0.611s 0.762Mbps 0.705s 0.870Mbps 0.593s Hiroshi Harada, NICT

Part4: PAR, FRD and EVM declaration
May 2010 Part4: PAR, FRD and EVM declaration Hiroshi Harada, NICT

PAR and FRD declaration
May 2010 PAR and FRD declaration ID Subclasue of FRD Requirement Declaration FRD.1 2.1.1 Maximum throughput [Req01] Slides 59 show simulation results that the complete proposal achieves a maximum throughput of at least 1 Gbps, as measured at the MAC SAP. [Req02] Slides 13 show that MCS 3 shall be mandatory for all the devices. MCS 3 provides a PHY rate of 1.76 Gbps. The PHY performance are shown in slides FRD.2 2.1.2 Range [Req03] Slides 59 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.3 2.1.3 Video requirements [Req04] Slides xxx 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] Slides xxx show simulation results for uncompressed video where the packet loss rate is below 1e-8 for a 8Kbyte payload size. [Req06] Slides xxx show simulation results for uncompressed video where the delay is below 10ms. Hiroshi Harada, NICT

PAR and FRD declaration (cont.)
May 2010 PAR and FRD declaration (cont.) ID Subclasue of FRD Requirement Declaration FRD.4 2.2 Fast session transfer [Req07] Slides xxx describes the mechanism for fast session transfer and multi-band operation FRD.5 2.3 Coexistence [Req08] Slides xxx describe the mechanisms to enable coexistence with other systems in the band, including c. FRD.6 user experience [Req09] Subclause xxx of the complete proposal describes that the network architecture of is fully maintained. [Req10] Subclauses xxx of the complete proposal describe that the proposal is fully backward compatible with the management plane. The MLME is fully reused. FRD.7 [Req11] The PICS is defined in Annex A of the complete proposal. Hiroshi Harada, NICT

EVM Declaration May 2010 ID Subclasue of EVM Declaration EVM.1
2.1 Point-to-point link simulations Slides xxx EVM.2 2.2 Link budget parameters for FR Section (range requirement – Req03) EVM.3 2.3 Coexistence for FR Section 2.3 EVM.4 3 PHY Performance EVM.5 4 System evaluation Hiroshi Harada, NICT

May 2010 Conclusion This document proposes the PHY and MAC layer design for ad 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 supporting for user experience Enhanced MAC purposes to achieve very high throughput (>1Gbps), support directivity, and coexist other 60GHz systems and for QoS improvement PAR, FRD and EVM declaration is provided Hiroshi Harada, NICT

May 2010 Reference Function requirements: ad-functional-requirements Channel model document: ad-channel-models-for-60-ghz-wlan-systems Evaluation methodology: ad-evaluation-methodology Hiroshi Harada, NICT

May 2010 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

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