doc.: IEEE 802.22-12/0071r0 Submission July 2012 Bingxuan Zhao et a.l, Niigata University Slide 1 Link Budget Analysis for Broadband Services in IEEE 802.22b IEEE P802.22 Wireless RANs Date: 2012-07-17 Name Company Address Phone email Bingxuan Zhao Niigata University 8050 Igarashi 2-no- cho, Nishi-ku, Niigata 950-2181 Japan 81-25-262-6743 [email protected]Shigenobu Sasaki Niigata University [email protected]Hiromu Niwano Niigata University [email protected]ta-u.ac.jp Authors: Notice: This document has been prepared to assist IEEE 802.22. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.22. Patent Policy and Procedures: The contributor is familiar with the IEEE 802 Patent Policy and Procedures http://standards.ieee.org/guides/bylaws/sb-bylaws.pdf including the statement "IEEE standards may include the known use of patent(s), including patent applications, provided the IEEE receives assurance from the patent holder or applicant with respect to patents essential for compliance with both mandatory and optional portions of the standard." Early disclosure to the Working Group of patent information that might be relevant to the standard is essential to reduce the possibility for delays in the development process and increase the likelihood that the draft publication will be approved for publication. Please notify the Chair Apurva Mody <[email protected]> as early as possible, in written or electronic form, if patented technology (or technology under patent application) might be incorporated into a draft standard being developed within the IEEE 802.22 Working Group. If you have questions, contact the IEEE Patent Committee Administrator at [email protected].
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doc.: IEEE 802.22-12/0071r0
Submission
July 2012
Bingxuan Zhao et a.l, Niigata UniversitySlide 1
Link Budget Analysis for Broadband Services in IEEE 802.22b
IEEE P802.22 Wireless RANs Date: 2012-07-17
Name Company Address Phone email Bingxuan Zhao Niigata University 8050 Igarashi 2-no-
Notice: This document has been prepared to assist IEEE 802.22. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.
Release: The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.22.
Patent Policy and Procedures: The contributor is familiar with the IEEE 802 Patent Policy and Procedures http://standards.ieee.org/guides/bylaws/sb-bylaws.pdf including the statement "IEEE standards may include the known use of patent(s), including patent applications, provided the IEEE receives assurance from the patent holder or applicant with respect to patents essential for compliance with both mandatory and optional portions of the standard." Early disclosure to the Working Group of patent information that might be relevant to the standard is essential to reduce the possibility for delays in the development process and increase the likelihood that the draft publication will be approved for publication. Please notify the Chair Apurva Mody <[email protected]> as early as possible, in written or electronic form, if patented technology (or technology under patent application) might be incorporated into a draft standard being developed within the IEEE 802.22 Working Group. If you have questions, contact the IEEE Patent Committee Administrator at [email protected].
doc.: IEEE 802.22-12/0071r0
Submission
Abstract
• This contribution presents some information of link budget analysis for 802.22b task group based on the use cases and CPE definitions.
• This presentation focuses on the link budget analysis in the case of using higher order modulation such as 256QAM which would be considered for use of broadband service extension in 802.22b.
July 2012
Bingxuan Zhao et a.l, Niigata UniversitySlide 2
doc.: IEEE 802.22-12/0071r0
Submission
Use Cases Considering in 802.22b
July 2012
Bingxuan Zhao et a.l, Niigata UniversitySlide 3
Table 1 Use Cases Considering in 802.22b (source: doc. IEEE 802.22-12/0025r4)
doc.: IEEE 802.22-12/0071r0
Submission
Key Technical Issues• Regulatory constraints
– Stringent out-of-band emission mask– Power spectral density (PSD) limit
July 2012
Bingxuan Zhao et a.l, Niigata UniversitySlide 4
Table 2 Key spectrum mask elements in TVWS (FCC 3rd MO&O)
Interference allowance, receiver implementation margin, and noise figure has been considered when calculating the minimum receiver sensitivity according to Ref. 1 BS: 5.9 dB CPE: 9.1 dB
EIRP
Path Loss
Fading
Min. Receiver Sensitivity
Interference Allowance
Antenna Gain
Implementation Loss
Noise Figure Minimum SNR
Thermal Noise Floor = -174dBm/Hz + 10log(BW) = -106.2 dBm for 6 MHz TV band
Min. Signal Level for Demodulation
doc.: IEEE 802.22-12/0071r0
Submission
Receiver Minimum Sensitivity: ½-rate coded QPSK
July 2012
Bingxuan Zhao et a.l, Niigata UniversitySlide 6
TV channel BW (MHz) (decoder implementation margin)
6 7 8
RSS of BS (dBm) -96 -95.3 -94.7
RSS of CPE (dBm) -92.8 -92.1 -91.5
RSS for QPSK, rate=1/2 at BER= 2×10-4,decoder implementation margin 1.1 dB