Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing this collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to Department of Defense, Washington Headquarters Services, Directorate for Information PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES)Attn: Brett Walkenhorst Georgia Tech Applied Research Corporation, 505 10TH ST Atlanta GA 30332-0001 PERFORMING ORGANIZATION REPORT NUMBER412TW-PA-14271 SPONSORING / MONITORING AGENCY NAME(S) AND ADDRESS(ES)Test Resource Management Center Test and Evaluation/ Science and Technology 4800 Mark Center Drive, Suite 07J22 Alexandria, VA 22350 SPONSOR/MONITOR'S ACRONYM(S)N/A SPONSOR/MONITOR'S REPORT NUMBER(S) SET 2014-0039 DISTRIBUTION / AVAILABILITY STATEMENTApproved for public release A: distribution is unlimited. SUPPLEMENTARY NOTESCA: Air Force Flight Test Center Edwards AFB CA CC: 012100 ABSTRACTIn this paper, we develop a new approach which enables adaptation across two modulation schemes in the iNET standard: orthogonal frequency-division multiplexing (OFDM) and shaped-offset quadrature phased-shift keying (SOQPSK). We present the error vector magnitude (EVM) for OFDM and second-order Godard dispersion (D (2) ) for SOQPSK as our link metrics that measure the degradation due to thermal noise and channel effects and then derive the mathematical relationship between these two metrics. This relationship enables us to utilize a set of empirically-derived rules that incorporate both modulation schemes. SUBJECT TERMS ABSTRACTIn this paper, we develop a new approach which enables adaptation across two modulation schemes in the iNET standard: orthogonal frequency-division multiplexing (OFDM) and shaped-offset quadrature phased-shift keying (SOQPSK). We present the error vector magnitude (EVM) for OFDM and second-order Godard dispersion (D (2) ) for SOQPSK as our link metrics that measure the degradation due to thermal noise and channel effects and then derive the mathematical relationship between these two metrics. This relationship enables us to utilize a set of empiricallyderived rules that incorporate both modulation schemes.
Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing this collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to Department of Defense, Washington Headquarters Services, Directorate for Information Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number.
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