November 2000 doc IEEE 802 11 00395 Phase

November 2000 doc. : IEEE 802. 11 -00/395 Phase Noise Sensitivity of HRb OFDM Paul Chiuchiolo and Mark Webster Intersil Corporation Submission 1 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 Non-Ideal PA Effects for OFDM • PER with Phase Noise – 20 k. Hz 3 d. B Bandwidth • 1, 2 and 4 degrees RMS – – Using model in document 296 r 1 6. 6, 13. 2, 26. 4 and 59. 4 Mbps tested 1000 byte packets Subcarrier Amp/Phz Estimated over Packet (non-ideal) • Assumptions – Tracking loop disabled Submission 2 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 Basis of Phase Noise Model F 3 d. B freq VCO d. Bc/Hz Actual: -20 d. B/dec PLL Trk Resp. freq +20 d. B/dec F 3 d. B 2 nd-order PLL VCO Composite Model: 1 st-order LPF AWGN freq AWGN PSD Submission 1 storder LPF 3 F 3 d. B freq -20 d. B/dec Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 Equivalent Noise BW of 1 -pole Butterworth Filter used for phase noise. R C Submission 4 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 Compute RMS Phase Noise as Function of Flat SSB Power Pssb d. B F 3 d. B freq Pssb d. B Phase Noise Submission -20 d. B/dec 5 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 Phase Noise Utility: BW = 10 KHz and RMS PN = 1 degree Target RMS phz error (degrees): 1. 805916 e+000 Estimated RMS phz error (deg) using 100000 samples: 1. 732820 e+000 Submission 6 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 Phase Noise with 64 QAM (10 KHz loop bandwidth) Submission 1 degree RMS 4 degrees RMS 35. 6 d. B SDR 23. 5 d. B SDR 7 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 PER for 6. 6 Mbps with Phase Noise 1000 byte Packets Submission 8 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 PER for 13. 2 Mbps with Phase Noise 1000 byte Packets Submission 9 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 PER for 26. 4 Mbps with Phase Noise 1000 byte Packets Submission 10 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 PER for 59. 4 Mbps with Phase Noise 1000 byte Packets Submission 11 Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 10% PER Degradation Rate Mbps 1 deg 6. 6 ~ 0 d. B 13. 2 ~0 26. 4 ~0 59. 4 0. 2 Submission 2 deg ~ 0 d. B 0. 1 0. 2 1. 5 12 4 deg 0. 1 d. B 0. 25 0. 8 -- Paul Chiuchiolo and Mark Webster, Intersil

November 2000 doc. : IEEE 802. 11 -00/395 Conclusions • Phase noise performance shown • Sub-carrier amp/phase was estimated • Phase noise tracking techniques not examined • Performance looks acceptable Submission 13 Paul Chiuchiolo and Mark Webster, Intersil