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The Modesat PilotSyncTM technology based 1024QAM modulator/demodulator is the first DSP Core on the market, which supports ultra-high capacity in microwave networks. 1024QAM modem features full range of QAM modulation schemes up to 1024QAM and enables to errorlessly switch between lower order modulations. The 1024QAM is the highest capacity product designed for high throughput microwave radio modems. Utilizing PilotSync™ technology, it achieves the best performance on the market at lowest bill of materials cost.
1024QAM is now available on Altera low-cost FPGA. The product offers independence from the chosen silicon platform, total control over functional characteristics and the possibility of migration to new generations of ASIC. The solution is compact and enables bundling all physical layer functionality for wireless broadband transmission on a single chip.
Features
• IF sub-sampling or I/Q baseband interface;
• Variable ADC width support;
• Single external clock source required;
• Single external analogue loop for AGC;
• Fully digital and automatic frequency recovery - no VCXO or AFC required;
• Only single external clock required;
• Fully digital matched channel filter for robust performance in the presence of ACI;
• Linear demodulator algorithm ensures rapid convergence of AGC, PLL and equalizer sub-systems;
• Large QAM support : BPSK, (O)QPSK, 16/64/128/256/1024QAM.
• Number of synthesis options to optimise speed (and therefore symbol rate) vs. area;
• Software programmable symbol demapping;
• Implementation loss of <1dB for 128/256/1024QAM, and <0.5dB for other supported QAM modes.
• Gigabit Ethernet interface;
• Reed Solomon FEC.
1024QAM is available for the following channel bandwidths: 7/14/28/56 MHz. Other bandwidths available upon request.
The 1024QAM Product Sheet is available upon request at sales@modesat.com.
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