移动互联网及应用
Ultimate Military Comms SolutionDriven by Capacity, Availability& SecuritySpectrally efficient adaptive multi-level frequency hopping coherent waveforms Multi-level complex waveforms for high-capacity (short-up emitter) Waveform agility for SNR utilization Multi-dimensional diversity for link availability, LPI/LPD, anti-jam& security (e.g. frequency, polarization, spatial,…) Coherent detection brings sensitivity and enables DSP channel compensation Link CapacityApproaching Shannon Capacity Limit
Waveform/Symbol Rate AgilityModulation AgilityUse modulation that is best suited for the target environment and link Enables variable bit rates and ultra -high capacity per wavelengthI
BPSK 1 bit/symbol
Q
QPSK 2 bits/symbol
Software Defined Agile Modems
16-QAM 4 bits/symbol
Unified JTRS-Like RF to Optical Transmission Architecture2 Polarization I,Q Synthesizer(Vector Modulator)
Coherent Band Translation
“RF”DC to Daylight
Coherent Band Translation
2 Polarization I,Q Analyzer(Coherent Receiver)
Baseband I& Q Data
Aperture& Transmission Channel
Baseband I& Q Data
“IF”DC to Daylight
(Air/Space/Water)
“IF”DC to Daylight
Overlaying Free-Space Optical Communications Brings Added Capacity& Security