A SHRINKING ENERGY BUDGET FOR MOBILE DEVICES AND INCREASINGLY COMPLEX COMMUNICATION STANDARDS MAKE ARCHITECTURE DEVELOPMENT FOR SOFTWARE-DEFINED RADIO VERY CHALLENGING. COARSE-GRAINED ARRAY ACCELERATORS ARE STRONG CANDIDATES FOR ACHIEVING BOTH HIGH PERFORMANCE AND LOW POWER. THE C-PROGRAMMABLE HYBRID CGA-SIMD ACCELERATOR PRESENTED HERE TARGETS EMERGING BROADBAND CELLULAR AND WIRELESS LAN STANDARDS, ACHIEVING UP TO 100-MBPS THROUGHPUT WITH AN AVERAGE POWER CONSUMPTION OF 220 MW.