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0419-EX-ST-2015 Text Documents

L-3 Communications

2015-04-14ELS_161209

CLASSIFICATION PAGE TRANSMITTER EQUIPMENT CHARACTERISTICS 1. NOMENCLATURE, MANUFACTURER’S MODEL NO. 2. MANUFACTURER’S NAME DARPA Mobile Hotspots Long Term Evolution (LTE Radio), Athena Wireless Communications, Inc. P020712 3. TRANSMITTER INSTALLATION 4. TRANSMITTER TYPE 1) SHADOW UAV underwing(airborne), 2) Fixed ground site LTE MIMO-OFDMA Base Station 5. TUNING RANGE 6. METHOD OF TUNING 2620 - 2690 MHz Direct Homodyne Conversion with PLL 7. RF CHANNELING CAPABILITY 8. EMISSION DESIGNATOR(S) 1st channel at 2625 MHz, 100 KHz increments 9M26D1D 9. FREQUENCY TOLERANCE 0.26 ppm 10. FILTER EMPLOYED (X one) a. YES b. NO 11. SPREAD SPECTRUM (X one) 12. EMISSION BANDWIDTH (X and complete as applicable) a. YES b. NO CALCULATED MEASURED 13. MAXIMUM BIT RATE a. -3 dB 8.99 MHz 40 Mbps b. -20 dB 9.32 MHz 14. MODULATION TECHNIQUES AND CODING c. -40 dB 9.66 MHz QPSK, 16-QAM, 5/6 Turbo coding, root raised cosine alpha = 0.1 d. -60 dB 10.488 MHz e. OC-BW 9.98 MHz 15. MAXIMUM MODULATION FREQUENCY 10 MHz 16. PRE-EMPHASIS (X one) 17. DEVIATION RATIO a. YES b. NO N/A 18. PULSE CHARACTERISTICS 19. POWER a. RATE N/A a. MEAN 1W b. WIDTH N/A b. PEP 1W c. RISE TIME N/A 20. OUTPUT DEVICE d. FALL TIME N/A Transistor, Vendor Avago, P/N MGA43728 e. COMP RATIO N/A 21. HARMONIC LEVEL 22. SPURIOUS LEVEL a. 2ND 36 dBc 45.5 dBc b. 3RD 72 dBc 23. FCC TYPE ACCEPTANCE NO. N/A c. OTHER 24. REMARKS Block 3. The proposed usage includes LTE radios, operating concurrently, 1) is airborne based, and 2) is ground based. Reference associated Line Diagram. Block 8. FEC and modulation is adaptive to channel conditions, user throughput will be adjusted to maintain 10 MHz occupied bandwidth. Block 10. Band pass filter, Vendor: EPCOS, P/N B39272B5122U410. CLASSIFICATION DD FORM 1494, AUG 96 Reset

INSTRUCTIONS FOR COMPLETING DD FORM 1494, "APPLICATION FOR EQUIPMENT FREQUENCY ALLOCATION" TRANSMITTER EQUIPMENT CHARACTERISTICS PAGE ITEM 1 - Nomenclature, Manufacturer’s Model No. Enter the ITEM 13 - Maximum Bit Rate. Enter the maximum information bit Government assigned alphanumeric equipment designation. If above is rate for digital equipment, in bits per second. If spread spectrum is not available, enter the manufacturer’s model number, e.g., MIT 502, and used, enter the bit rate after encoding. complete Item 2. If above is not available, enter a short descriptive title, e.g., ATS-6 telemetry transmitter. ITEM 14 - Modulation Techniques and Coding. Describe in detail the modulation and/or coding techniques employed. For complex ITEM 2 - Manufacturer’s Name. Enter the manufacturer’s name if modulation schemes such as direct sequence spread spectrum, available. If a manufacturer’s model number is listed in Item 1, this item frequency hopping, frequency agile, etc., enter full details in Item 24, must be completed. "Remarks." ITEM 3 - Transmitter Installation. List specific type(s) of vehicle(s), ITEM 15 - Maximum Modulation Frequency. For frequency or ship(s), plane(s) or building(s), etc., where the transmitter(s) will be phase modulated transmitter enter the maximum modulation or installed. baseband frequency. This frequency is assumed to be the frequency at -3 dB point on the high frequency side of the modulator response ITEM 4 - Transmitter Type. Enter the generic class of the trans- mitter, curve. Indicate the units, e.g., Hz, kHz or MHz. e.g., Frequency Scan, Scan While Track Radar, Monopulse Tracker, AM or FM Communications. ITEM 16 - Pre-emphasis. For frequency or phase modulated transmitters mark the appropriate block to indicate whether ITEM 5 - Tuning Range. Enter the frequency range through which the pre-emphasis is available. transmitter is capable of being tuned, e.g., 225-400 MHz. For equipment designed to operate only at a single frequency, enter this frequency. ITEM 17 - Deviation Ratio. For frequency or phase modulated Indicate units, e.g., kHz, MHz or GHz. transmitter enter the deviation ratio computed with the formula: ITEM 6 - Method of Tuning. Enter the method of tuning, e.g., crystal, Deviation Ratio = synthesizer or cavity. If the equipment is not readily tunable in the field, Maximum Frequency Deviation indicate in Item 24, "Remarks," the complexity of tuning. Include Maximum Modulation Frequency complexity factors such as skill levels involved, major assemblies ITEM 18 - Pulse Characteristics. For pulse modulated transmitters: involved, time required, and location (factory or depot) where equipment is to be tuned. a. Enter the pulse repetition rate in pulses per second (pps). ITEM 7 - RF Channeling Capability. Describe the RF channeling b. Enter the pulse width at the half voltage levels in microseconds capability. For uniformly spaced channels, enter the center frequency of (usec). the first channel and channel spacing e.g., first channel 406 MHz, 100 kHz increments; for continuous tuning, enter the lowest frequency and c. Enter the pulse rise time in microseconds (usec). This is the time the word "continuous;" for others, such as SSB or cases where a duration for the leading edge of the voltage pulse to rise from 10% to channel selection is under software control, enter a detailed description 90% of its peak amplitude. in Item 24, "Remarks." Any constraints on using any of these channels must be described in Item 24, "Remarks," e.g., degraded channels, d. Enter the pulse fall time in microseconds (usec). This is the time internal hardwiring limitations or lockout capability for frequency hopping duration for the trailing edge of the voltage pulse to fall from 90% to systems. 10% of its peak amplitude. ITEM 8 - Emission Designator(s). Enter the emission designator(s) e. Enter the maximum pulse compression ratio, if applicable. including the necessary bandwidth for each designator as described in Chapter 9 of the NTIA Manual, e.g., 16K0F3E. For systems with a ITEM 19 - Power. Enter the mean power delivered to the antenna frequency hopping mode as well as a non-hopping mode enter the terminals for all AM and FM emissions, or the peak envelope power emission designators for each mode. Identify each mode as hopping or (PEP) for all other classes of emissions. If there are any unique non-hopping. situations such as interrupted CW, provide details in Item 24, "Remarks." Indicate the units, e.g., W or kW. ITEM 9 - Frequency Tolerance. Enter the frequency tolerance, i.e., the maximum departure of a transmitter from its assigned frequency after ITEM 20 - Output Device. Enter a description of the device used in normal warm-up time has been allowed. Indicate the units in parts per the transmitter output stage, e.g., ceramic diode, reflex klystron, million (ppm) for all emission types except single sideband which shall transistor or TWT. be indicated in Hertz (Hz). ITEM 21 - Harmonic Level. Enter the harmonic level in dB relative ITEM 10 - Filter Employed. Mark the appropriate block. Provide the to the fundamental of the 2nd and 3rd harmonics. Enter in Item c. the characteristics of any filter used in Item 24, "Remarks." relative level in dB of the highest powered harmonic above the 3rd. ITEM 11 - Spread Spectrum. Mark the appropriate block. If "Yes," see ITEM 22 - Spurious Level. Enter the maximum value of spurious instructions for Item 14. emission in dB relative to the fundamental which occurs outside the -60 dB point on the transmitter fundamental emission spectrum (Item ITEM 12 - Emission Bandwidth. Enter the emission bandwidths for 12) and does not occur on a harmonic of the fundamental frequency. which the transmitter is designed at the -3, -20, and -60 dB levels and the occupied bandwidth. The bandwidth at -40 dB shall also be entered ITEM 23 - FCC Type Acceptance No. Enter the FCC type for pulse radar transmitters. The emission bandwidth is defined as that acceptance number if applicable. appearing at the antenna terminals and includes any significant attenuation contributed by filtering in the output circuit or transmission lines. Values of emission bandwidth specified should be indicated as calculated or measured by marking the appropriate block. Indicate units used, e.g., Hz, kHz or MHz. Note that the Occupied Bandwidth (Item 12.e.) is defined as the frequency bandwidth such that, below its lower and above its upper frequency limits, the mean powers radiated are each equal to 0.5% of the total mean power radiated. DD FORM 1494, AUG 96 Transmitter Equipment Characteristics Page (Back)


Document Created: 2015-03-26 15:22:51
Document Modified: 2015-03-26 15:22:51
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