Submission doc.: IEEE 11-14/0652r1 Next Generation 802.11ad Slide 1 May 2014 Gal/Alecs Wilocity/Qualcomm Authors: NameAffiliationAddressPhoneEmail Alecsander.

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Presentation transcript:

Submission doc.: IEEE 11-14/0652r1 Next Generation ad Slide 1 May 2014 Gal/Alecs Wilocity/Qualcomm Authors: NameAffiliationAddressPhone Alecsander Gal Lei Dmitry CherniavskySilicon age.com James Saishankar Nandagopalan Sven

Submission doc.: IEEE 11-14/0652r1 Motivation and purpose Slide 2Gal/Alecs Wilocity/Qualcomm This presentation is a continuation to the following presentations 13/1408r1 and 14/136r3, which suggested MIMO and channel bonding as methods to increase throughput in 60 GHz In this presentation, we show another possible mechanism to increase throughput, namely, the use of 64 QAM over SC modulation May 2014

Submission doc.: IEEE 11-14/0652r ad Attributes ~9GHz of unlicensed BW Small antenna footprint Drives Antenna array implementations Beam forming  Directivity Low operating SNR Drive relaxed system requirements Capacity at 60GHz Spatial separation Slide 3 May 2014 Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r ad Antenna size Wavelength is 5mm, typical array antenna spacing is 2.5mmmm Small foot print antenna Slide 4 7x9 mm 24 3D antenna array 16 planar antenna array 17x8 mm 32 3D antenna array May 2014 Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 Low Operating SNR ad high rate is a result of using high BW (1.76 GHz) The operating SNR for 4.6Gbps is lower than 14 dB Slide 5Gal /Alecs, Wilocity/Qualcomm May 2014

Submission doc.: IEEE 11-14/0652r1 Methods for increasing the TPT Channel bonding feasibility We have suggested 2 additional BW Double channel-5.28GHz Quadruple channel-10.56GHz Triple channel should also be considered We have shown technology feasibility of such an analog FE today. Marinating low power MIMO feasibility “Traditional MIMO” “Spatial orthogonal MIMO” For receiver simplification Shown channel measurement r2 Slide 6 May 2014 Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 64QAM Motivation Rate increase of 50% with the existing BW 4.62Gbps  6.93Gbps Lower system power consumption Increased efficiency Is it feasible over SC Slide 7 May 2014 Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 64QAM feasibility on SC Can 64QAM be supported on SC On the transmit side, SC has 2-3dB less P2A (Compared to OFDM), hence 2-3dB less backoff On the receive side Channel may increase SNR requirements Many 60GHz are using array implementations Channel is very close to AWGN in the LOS case [408r2] Phase Noise (PN) immunity should be investigated Slide 8 May 2014 Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 Simulation results for SC 64QAM Fixed point implementation FDE equalization AWGN PN included both on TX and RX No TX EVM Slide 9 May 2014 ModulationCode RateRx C/N 64QAM 1/217.3dB 5/819.1dB 3/422.0dB Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 Coverage simulation Based on Room coverage simulation Ray tracing Varying room dimensions/networking nodes Measured Radiation Pattern BF impairments Statistics on the room coverage

Submission doc.: IEEE 11-14/0652r1 Coverage - desktop scanning Slide 11 May 2014 Gal/Alecs Wilocity/Qualcomm Back of platform – 16QAM limitedScreen side– 16QAM limited Back of platform – 64QAM limitedScreen side – 64QAM limited

Submission doc.: IEEE 11-14/0652r1 Coverage - Sit & Talk Slide 12 May 2014 Back of platform – 16QAM limited Screen side– 16QAM limited Back of platform – 64QAM limitedScreen side– 64QAM limited Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 Coverage - room walk Slide 13 May 2014 Back of platform – 16QAM limitedScreen side– 16QAM limited Back of platform – 64QAM limitedScreen side– 64QAM limited Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 SC 64QAM: Additional Improvement It is clear that the main multiplicative noise in the 60G link is the Phase Noise Link budget can be further increased by using better suited constellation Developed by DVB-S2X Slide 14 May APSK Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 Summary Increasing demand for capacity and new applications are driving the desire to enhance 11ad to support these needs Technical feasibility to enhance 11ad with MIMO and channel bonding has been demonstrated 13/1408r1, 14/606r0 Suggest that start a new SG on next generation 11ad Slide 15 May 2014 Gal/Alecs Wilocity/Qualcomm

Submission doc.: IEEE 11-14/0652r1 Backup Slide 16 May 2014 Gal/Alecs Wilocity/Qualcomm

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