1. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 1 Measured Rician K-factor in a 5GHz band Naoki Kita, Yasuhiko Inoue, Shuji Kubota NTT nkita@ansl.ntt.co.jp yinoue@ansl.ntt.co.jp kubota@ansl.ntt.co.jp

2. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 2 Measurement Apparatus Sliding correlator Center Frequency5.2 GHz PN Sequence length1023 Chip rate60 MHz ModulationBPSK Time Scaling Factor6000 Time resolution18.3 nsec Tx / Rx Antennas Horizontal DirectivityOmni-directional Gain2.1 dBi PolarizationVertical

3. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 3 Example Example of Measured Delay Snapshots & Data Treatment Relative delay time [nsec] Relative level [dB] Relative distance between BS and MS [m] Relative level [dB] Cumulative Probability Relative level [dB] Picked Out K 10 dB Example of acquired delay snapshots

4. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 4 Measurement Scenarios Environment Dimension (m) Tx / Rx Antenna height LOSNLOS Apartment2.8 * 8.4 * 2.5 2.8*3.6*2.5 (Another room divided by concrete wall) 1.3 m / 1.3 m Corridor2.6 * 131 * 32.6 * 52 * 3 (Perpendicular course) 1.2 m / 2.8 m Office20 * 30 * 3 (Behind partition) 1.0 m / 2.7 m Meeting room7 * 13 * 31.0 m / 2.7 m

5. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 5 Apartment LOS: in the same room NLOS: the second neighboring room Entrance kitchen & dinning room room#1 room#2 room#3 bath AP STA NLOS case LOS NLOS

6. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 6 Measured Rician K-factor in the Apartment scenario Apartment R.M.S Delay Spread 22 nsec K - factor7 dB Relative level [dB] Cumulative Probability (%) NLOS LOS Relative level [dB] Cumulative Probability (%) R.M.S Delay Spread11 nsec K - factor7 dB

7. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 7 Corridor TxRx LOS case Rx

8. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 8 Measured Rician K-factor in the Corridor scenario (1) Corridor (LOS) Far (90m-120m) Near 50m-90m Relative level [dB] Cumulative Probability (%) Relative level [dB] Cumulative Probability (%) R.M.S Delay Spread283 nsec K - factor10 dB R.M.S Delay Spread216 nsec K - factor17 dB

9. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 9 Measured Rician K-factor in the Corridor scenario (2) Corridor (NLOS) Relative level [dB] Cumulative Probability (%) R.M.S Delay Spread 158 nsec K - factor9 dB

10. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 10 Office R.M.S Delay Spread70 nsec K - factor8 dB Relative level [dB] Cumulative Probability (%) NLOS LOS 15m-27m) Relative level [dB] Cumulative Probability (%) R.M.S Delay Spread49 nsec K - factor8 dB Measured Rician K-factor in the Office scenario

11. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 11 Meeting Room LOS Relative level [dB] Cumulative Probability (%) R.M.S Delay Spread142 nsec K - factor10 dB Measured Rician K-factor in the Meeting Room scenario

12. doc.: IEEE 802.11-03/0884r0 Submission November 2003 N.Kita, Y.Inoue and S.Kubota, NTT Slide 12 Summary of Measured Rician K-factor Environment K (dB) LOS / NLOS RMS delay Spread (ns) LOS / NLOS Correspondence model LOS / NLOS Apartment7 / 711 / 22B-LOS / C-NLOS Corridor17 (Near), 10(Far) / 9216(Near), 283(Far) / 158-- / F-NLOS Office 8 / 8 49 / 70D-LOS / D-NLOS Meeting room10 / --142 / --D-LOS