1. doc.: IEEE 802.11-12/0402r2 Submission May 2012 Haiming Wang, Xiaoming PengSlide 1 Date: 2012-05-14 Authors: Overview of CWPAN SG5 QLINKPAN

2. doc.: IEEE 802.11-12/0402r2 Submission Contents CWPAN SG5 Q-LINKPAN Relationship between IEEE 802.11 CMMW and Q- LINKPAN Updated information for the spectrum allocation March 2012 Haiming Wang, Xiaoming Peng Slide 2

3. doc.: IEEE 802.11-12/0402r2 Submission Updated Information for the Spectrum Allocation in May meeting ① After communicating with China Radio Management Authority for a few rounds, it has submitted the final request for the unlicensed band in 43.5-47.0 GHz for approval ② Bandwidth (B 0 ) ③ Transmit mask: Refer to IEEE 802.11ad ④ TX power: < +20 dBm (Antenna port) ⑤ Frequency tolerance: 100×10 -6 Fig.1. Transmit mask Final Request Slide 3

4. doc.: IEEE 802.11-12/0402r2 Submission EIRP Limit in Unlicensed 45 GHz Band (Pending for Final Approval) Point-to-Multipoint TX Power at Antenna Port (dBm) Maximum Antenna Gain (dBi) EIRP (dBm) 20626 17926 141226 111526 81826 52126 22426 Point-to-Point TX Power at Antenna Port (dBm) Maximum Antenna Gain (dBi) EIRP (dBm) 20626 19928 181230 171532 161834 152136 142438 132740 123042 113344 103646 In the 45 GHz band and for point-to-point applications, you can increase the antenna gain to get an EIRP above 26 dBm but for every 3dBi increase of antenna gain you must reduce the transmit power by 1 dBm. The right table shows the combinations of allowed transmit power / antenna gain and the resulting EIRP. Slide 4

5. doc.: IEEE 802.11-12/0402r2 Submission Overview of Q-LINKPAN A study group (SG5) Q-LINKPAN was set up under CWPAN in Sept 2010 to develop the China mmWave standard operating in 40~50GHz It can be used both in short range and point-to-point (Q-Band + LINK + PAN) –Short Range: Q-LINKPAN-S –Point-to-point/Point-to-multipoint: Q-LINKPAN-L March 2012 Haiming Wang, Xiaoming PengSlide 5

6. doc.: IEEE 802.11-12/0402r2 Submission Request of Spectrum Allocation in 40~50GHz  Request of frequency allocation: 40.5~50.2 GHz;  Unlicensed: 43.334~46.918GHz (3.584GHz BW)  Licensed: 40.5~43.334GHz (2.834GHz BW), 47.288~50.2GHz (2.912GHz BW)  The spectrum of 47~47.2 GHz has been allocated to the amateur radio. March 2012 Haiming Wang, Xiaoming PengSlide 6 Q-LINKPAN-L uses licensed bands Q-LINKPAN-S uses unlicensed band Q-LINKPAN-L uses licensed bands Q-LINKPAN-S uses unlicensed band

7. doc.: IEEE 802.11-12/0402r2 Submission Maximum EIRP Density P2P Wireless Equipment –EIRP: refer to Table I –TX frequency tolerance: P2P: ±1ppm ； P2MP: –Central Station (CS): ±0.05ppm; –Remote Station (RS): ±1ppm. –TX spurious emissions: Satisfy the spectrum mask in the next slide and less than -40dBm/MHz out-of-band. WPAN Equipment –EIRP: < +20dBm. –TX frequency tolerance: ±1ppm. –TX spurious emissions: Satisfy the spectrum mask in the next slide and less than -40dBm/MHz out-of-band. Station Type Maximu m EIRP Density （ dBW/ MHz ） Informative assumptions for deriving the EIRP limits Maximum Power Spectral Density at antenna port （ dBm/MHz ） Maximum Antenna Gain （ dBi ） CS （ P2MP ） +5+1520 RS （ P2MP ） +30+1545 P2P links +40+2050 Table I: EIRP Density Limitation March 2012 Haiming Wang, Xiaoming PengSlide 7

8. doc.: IEEE 802.11-12/0402r2 Submission Spectrum Mask March 2012 Haiming Wang, Xiaoming PengSlide 8

9. doc.: IEEE 802.11-12/0402r2 Submission Applications of Q-LINKPAN-S (PAN) Capable of reducing power consumption by ~30% compared to 60GHz products Home, Office, Conference Room, Coffee Bar, Airport, etc. March 2012 Haiming Wang, Xiaoming PengSlide 9

10. doc.: IEEE 802.11-12/0402r2 Submission Applications of Q-LINKPAN-L (LINK) Point to Point Point to Multipoint High gain antenna with very narrow beamwidth for both Sector antenna for BS and narrow beamwidth antenna for UE March 2012 Haiming Wang, Xiaoming PengSlide 10

11. doc.: IEEE 802.11-12/0402r2 Submission Channel Model Carrier frequency: Q band, 40~50 GHz Channel model: ① Path loss? ※ ② Multipath: Power delay profile (PDP) ③ Multiple Antennas: spatial correlation ④ Time-varying channel? The channel model is one of key points for designing a wireless communication system! ※ Haibing Yang, et al., “Channel Characteristics and Transmission Performance for Various Channel Configurations at 60 GHz,” EURASIP Journal on Wireless Communications and Networking, vol. 2007, Article ID 19613, 15 pages, 2007. March 2012 Haiming Wang, Xiaoming PengSlide 11

12. doc.: IEEE 802.11-12/0402r2 Submission Atmospheric Absorption and Rain Attenuation 45 GHz: 0.05~0.3 dB/km 62 GHz: 4~20 dB/km Around 60 GHz Around 45 GHz Around 45 GHz Around 60 GHz Figure 2. Microwave and millimeter-wave rain attenuation [1]Figure 1. Microwave and millimeter-wave atmospheric and molecular absorption [1] [1] FCC Bulletin 70, Millimeter Wave Propagation: Spectrum Management Implications, July 1997. March 2012 Haiming Wang, Xiaoming PengSlide 12

13. doc.: IEEE 802.11-12/0402r2 Submission Path Loss The received power over the travel distance of the first arrived path, when the transmit power is 0 dBm. ※ ※ Haibing Yang, et al., “Channel Characteristics and Transmission Performance for Various Channel Configurations at 60 GHz,” EURASIP Journal on Wireless Communications and Networking, vol. 2007, Article ID 19613, 15 pages, 2007. High propagation loss is a big challenge in mmWave band! Path loss measurement results in 60 GHz WPAN systems: March 2012 Haiming Wang, Xiaoming PengSlide 13

14. doc.: IEEE 802.11-12/0402r2 Submission Initial Channel Measurement at Q-band: Parameters Frequency band: 40~43.5 GHz Method: VNA Sweep Frequency Sweep Frequency Points: 12801 Sweep Frequency Duration: 300 ms TX Power: 20dBm Cable Length: 4 m at both ends Antenna Type: Horn antenna Measurement Scenario: Indoor March 2012 Haiming Wang, Xiaoming PengSlide 14

15. doc.: IEEE 802.11-12/0402r2 Submission Initial Channel Measurement at Q-band: Scenarios S1: Horn antennas are face-to-face without block. The TR distance is 3 m and height is 1.15m. S2: Horn antennas are toward the ceiling without block. The TR distance is 3 m. S3: Horn antennas are face-to-face across a glass window door. The TR distance is 3 m and height is 1.15m. S4: Horn antennas are face-to-face across a fiberboard door. The TR distance is 3 m and height is 1.15m. March 2012 Haiming Wang, Xiaoming PengSlide 15

16. doc.: IEEE 802.11-12/0402r2 Submission Initial Channel Measurement at Q-band: Scenarios S5: Horn antennas face to the bookcase. The transmitted signal is reflected by the bookcase. The TR distance is 3 m and height is 1.15m. S6: Horn antennas are face-to-face across a concrete wall with thickness 24 cm. The signal loss is greater than 35 dB. The VNA can not receive any signal. So no data have been recorded. March 2012 Haiming Wang, Xiaoming PengSlide 16

17. doc.: IEEE 802.11-12/0402r2 Submission Initial Channel Measurement at Q-band: Path Loss The average path loss is about 25 dB at the Tx-Rx distance 3 m. The dynamic range of received signal is about 35 dB. March 2012 Haiming Wang, Xiaoming PengSlide 17

18. doc.: IEEE 802.11-12/0402r2 Submission Initial Channel Measurement at Q-band: Multipath PDP S1: Face-to-Face, no block From the results, only the main path component exits in the LoS scenario (S1) and the simple reflection surface (S2), and the path component at 45 ns is due to the second reflection in the S1. S2: toward to the ceiling March 2012 Haiming Wang, Xiaoming PengSlide 18

19. doc.: IEEE 802.11-12/0402r2 Submission Initial Channel Measurement at Q-band: Multipath PDP S3: Across a glass window doorS4: Across the fiberboard doorS5: Reflection by the bookcase The multipath distribution are different due to the penetrating characteristics between the glass window door and the fiberboard door. There is second reflection component at 60 ns since there is metallic structure in the glass window door. No such phenomenon is observed for the fiberboard door. There are several multipath components in the scenario S5 since the reflection surface consisting of metallic and non-metallic materials is complex. March 2012 Haiming Wang, Xiaoming PengSlide 19

20. doc.: IEEE 802.11-12/0402r2 Submission Initial Channel Measurement at Q-band: RMS Delay Spread ScenarioS1S2S3S4S5 Mean (ns)2.700.385.190.531.22 Min (ns)2.390.324.060.511.15 Max (ns)2.870.405.350.541.24 March 2012 Haiming Wang, Xiaoming PengSlide 20

21. doc.: IEEE 802.11-12/0402r2 Submission Relationship between IEEE 802.11 CMMW and CWPAN Q-LINKPAN March 2012 Haiming Wang, Xiaoming PengSlide 21 From CWPAN perspective From 802.11 CMMW perspective